25726480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 66714480

約数和(自身を除く): 40988000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 853, 1040, 1160, 1508, 1706, 1885, 2320, 3016, 3412, 3770, 4265, 6032, 6824, 7540, 8530, 11089, 13648, 15080, 17060, 22178, 24737, 30160, 34120, 44356, 49474, 55445, 68240, 88712, 98948, 110890, 123685, 177424, 197896, 221780, 247370, 321581, 395792, 443560, 494740, 643162, 887120, 989480, 1286324, 1607905, 1978960, 2572648, 3215810, 5145296, 6431620, 12863240, 25726480]

約数ペア:

[(1, 25726480), (2, 12863240), (4, 6431620), (5, 5145296), (8, 3215810), (10, 2572648), (13, 1978960), (16, 1607905), (20, 1286324), (26, 989480), (29, 887120), (40, 643162), (52, 494740), (58, 443560), (65, 395792), (80, 321581), (104, 247370), (116, 221780), (130, 197896), (145, 177424), (208, 123685), (232, 110890), (260, 98948), (290, 88712), (377, 68240), (464, 55445), (520, 49474), (580, 44356), (754, 34120), (853, 30160), (1040, 24737), (1160, 22178), (1508, 17060), (1706, 15080), (1885, 13648), (2320, 11089), (3016, 8530), (3412, 7540), (3770, 6824), (4265, 6032)]