90545825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 126956160

約数和(自身を除く): 36410335

約数列:

[1, 5, 17, 23, 25, 59, 85, 115, 157, 295, 391, 425, 575, 785, 1003, 1357, 1475, 1955, 2669, 3611, 3925, 5015, 6785, 9263, 9775, 13345, 18055, 23069, 25075, 33925, 46315, 61387, 66725, 90275, 115345, 157471, 213049, 231575, 306935, 576725, 787355, 1065245, 1534675, 3621833, 3936775, 5326225, 18109165, 90545825]

約数ペア:

[(1, 90545825), (5, 18109165), (17, 5326225), (23, 3936775), (25, 3621833), (59, 1534675), (85, 1065245), (115, 787355), (157, 576725), (295, 306935), (391, 231575), (425, 213049), (575, 157471), (785, 115345), (1003, 90275), (1357, 66725), (1475, 61387), (1955, 46315), (2669, 33925), (3611, 25075), (3925, 23069), (5015, 18055), (6785, 13345), (9263, 9775)]