20805551200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{128113}}^1$

素因数の和:128169

約数の個数: 144

約数和(自身を含む): 60049594080

約数和(自身を除く): 39244042880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 70, 80, 100, 112, 116, 140, 145, 160, 175, 200, 203, 224, 232, 280, 290, 350, 400, 406, 464, 560, 580, 700, 725, 800, 812, 928, 1015, 1120, 1160, 1400, 1450, 1624, 2030, 2320, 2800, 2900, 3248, 4060, 4640, 5075, 5600, 5800, 6496, 8120, 10150, 11600, 16240, 20300, 23200, 32480, 40600, 81200, 128113, 162400, 256226, 512452, 640565, 896791, 1024904, 1281130, 1793582, 2049808, 2562260, 3202825, 3587164, 3715277, 4099616, 4483955, 5124520, 6405650, 7174328, 7430554, 8967910, 10249040, 12811300, 14348656, 14861108, 17935820, 18576385, 20498080, 22419775, 25622600, 26006939, 28697312, 29722216, 35871640, 37152770, 44839550, 51245200, 52013878, 59444432, 71743280, 74305540, 89679100, 92881925, 102490400, 104027756, 118888864, 130034695, 143486560, 148611080, 179358200, 185763850, 208055512, 260069390, 297222160, 358716400, 371527700, 416111024, 520138780, 594444320, 650173475, 717432800, 743055400, 832222048, 1040277560, 1300346950, 1486110800, 2080555120, 2600693900, 2972221600, 4161110240, 5201387800, 10402775600, 20805551200]

約数ペア:

[(1, 20805551200), (2, 10402775600), (4, 5201387800), (5, 4161110240), (7, 2972221600), (8, 2600693900), (10, 2080555120), (14, 1486110800), (16, 1300346950), (20, 1040277560), (25, 832222048), (28, 743055400), (29, 717432800), (32, 650173475), (35, 594444320), (40, 520138780), (50, 416111024), (56, 371527700), (58, 358716400), (70, 297222160), (80, 260069390), (100, 208055512), (112, 185763850), (116, 179358200), (140, 148611080), (145, 143486560), (160, 130034695), (175, 118888864), (200, 104027756), (203, 102490400), (224, 92881925), (232, 89679100), (280, 74305540), (290, 71743280), (350, 59444432), (400, 52013878), (406, 51245200), (464, 44839550), (560, 37152770), (580, 35871640), (700, 29722216), (725, 28697312), (800, 26006939), (812, 25622600), (928, 22419775), (1015, 20498080), (1120, 18576385), (1160, 17935820), (1400, 14861108), (1450, 14348656), (1624, 12811300), (2030, 10249040), (2320, 8967910), (2800, 7430554), (2900, 7174328), (3248, 6405650), (4060, 5124520), (4640, 4483955), (5075, 4099616), (5600, 3715277), (5800, 3587164), (6496, 3202825), (8120, 2562260), (10150, 2049808), (11600, 1793582), (16240, 1281130), (20300, 1024904), (23200, 896791), (32480, 640565), (40600, 512452), (81200, 256226), (128113, 162400)]