82006400

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{523}}^1$

素因数の和:561

約数の個数: 144

約数和(自身を含む): 236106540

約数和(自身を除く): 154100140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 523, 560, 640, 700, 784, 800, 896, 980, 1046, 1120, 1225, 1400, 1568, 1600, 1960, 2092, 2240, 2450, 2615, 2800, 3136, 3200, 3661, 3920, 4184, 4480, 4900, 5230, 5600, 6272, 7322, 7840, 8368, 9800, 10460, 11200, 13075, 14644, 15680, 16736, 18305, 19600, 20920, 22400, 25627, 26150, 29288, 31360, 33472, 36610, 39200, 41840, 51254, 52300, 58576, 66944, 73220, 78400, 83680, 91525, 102508, 104600, 117152, 128135, 146440, 156800, 167360, 183050, 205016, 209200, 234304, 256270, 292880, 334720, 366100, 410032, 418400, 468608, 512540, 585760, 640675, 732200, 820064, 836800, 1025080, 1171520, 1281350, 1464400, 1640128, 1673600, 2050160, 2343040, 2562700, 2928800, 3280256, 4100320, 5125400, 5857600, 8200640, 10250800, 11715200, 16401280, 20501600, 41003200, 82006400]

約数ペア:

[(1, 82006400), (2, 41003200), (4, 20501600), (5, 16401280), (7, 11715200), (8, 10250800), (10, 8200640), (14, 5857600), (16, 5125400), (20, 4100320), (25, 3280256), (28, 2928800), (32, 2562700), (35, 2343040), (40, 2050160), (49, 1673600), (50, 1640128), (56, 1464400), (64, 1281350), (70, 1171520), (80, 1025080), (98, 836800), (100, 820064), (112, 732200), (128, 640675), (140, 585760), (160, 512540), (175, 468608), (196, 418400), (200, 410032), (224, 366100), (245, 334720), (280, 292880), (320, 256270), (350, 234304), (392, 209200), (400, 205016), (448, 183050), (490, 167360), (523, 156800), (560, 146440), (640, 128135), (700, 117152), (784, 104600), (800, 102508), (896, 91525), (980, 83680), (1046, 78400), (1120, 73220), (1225, 66944), (1400, 58576), (1568, 52300), (1600, 51254), (1960, 41840), (2092, 39200), (2240, 36610), (2450, 33472), (2615, 31360), (2800, 29288), (3136, 26150), (3200, 25627), (3661, 22400), (3920, 20920), (4184, 19600), (4480, 18305), (4900, 16736), (5230, 15680), (5600, 14644), (6272, 13075), (7322, 11200), (7840, 10460), (8368, 9800)]