25145320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 59778000

約数和(自身を除く): 34632680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 409, 424, 530, 580, 818, 1060, 1160, 1537, 1636, 2045, 2120, 3074, 3272, 4090, 6148, 7685, 8180, 11861, 12296, 15370, 16360, 21677, 23722, 30740, 43354, 47444, 59305, 61480, 86708, 94888, 108385, 118610, 173416, 216770, 237220, 433540, 474440, 628633, 867080, 1257266, 2514532, 3143165, 5029064, 6286330, 12572660, 25145320]

約数ペア:

[(1, 25145320), (2, 12572660), (4, 6286330), (5, 5029064), (8, 3143165), (10, 2514532), (20, 1257266), (29, 867080), (40, 628633), (53, 474440), (58, 433540), (106, 237220), (116, 216770), (145, 173416), (212, 118610), (232, 108385), (265, 94888), (290, 86708), (409, 61480), (424, 59305), (530, 47444), (580, 43354), (818, 30740), (1060, 23722), (1160, 21677), (1537, 16360), (1636, 15370), (2045, 12296), (2120, 11861), (3074, 8180), (3272, 7685), (4090, 6148)]