25575680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 69536880

約数和(自身を除く): 43961200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 53, 58, 64, 65, 80, 104, 106, 116, 128, 130, 145, 160, 208, 212, 232, 256, 260, 265, 290, 320, 377, 416, 424, 464, 520, 530, 580, 640, 689, 754, 832, 848, 928, 1040, 1060, 1160, 1280, 1378, 1508, 1537, 1664, 1696, 1856, 1885, 2080, 2120, 2320, 2756, 3016, 3074, 3328, 3392, 3445, 3712, 3770, 4160, 4240, 4640, 5512, 6032, 6148, 6784, 6890, 7424, 7540, 7685, 8320, 8480, 9280, 11024, 12064, 12296, 13568, 13780, 15080, 15370, 16640, 16960, 18560, 19981, 22048, 24128, 24592, 27560, 30160, 30740, 33920, 37120, 39962, 44096, 48256, 49184, 55120, 60320, 61480, 67840, 79924, 88192, 96512, 98368, 99905, 110240, 120640, 122960, 159848, 176384, 196736, 199810, 220480, 241280, 245920, 319696, 393472, 399620, 440960, 482560, 491840, 639392, 799240, 881920, 983680, 1278784, 1598480, 1967360, 2557568, 3196960, 5115136, 6393920, 12787840, 25575680]

約数ペア:

[(1, 25575680), (2, 12787840), (4, 6393920), (5, 5115136), (8, 3196960), (10, 2557568), (13, 1967360), (16, 1598480), (20, 1278784), (26, 983680), (29, 881920), (32, 799240), (40, 639392), (52, 491840), (53, 482560), (58, 440960), (64, 399620), (65, 393472), (80, 319696), (104, 245920), (106, 241280), (116, 220480), (128, 199810), (130, 196736), (145, 176384), (160, 159848), (208, 122960), (212, 120640), (232, 110240), (256, 99905), (260, 98368), (265, 96512), (290, 88192), (320, 79924), (377, 67840), (416, 61480), (424, 60320), (464, 55120), (520, 49184), (530, 48256), (580, 44096), (640, 39962), (689, 37120), (754, 33920), (832, 30740), (848, 30160), (928, 27560), (1040, 24592), (1060, 24128), (1160, 22048), (1280, 19981), (1378, 18560), (1508, 16960), (1537, 16640), (1664, 15370), (1696, 15080), (1856, 13780), (1885, 13568), (2080, 12296), (2120, 12064), (2320, 11024), (2756, 9280), (3016, 8480), (3074, 8320), (3328, 7685), (3392, 7540), (3445, 7424), (3712, 6890), (3770, 6784), (4160, 6148), (4240, 6032), (4640, 5512)]