90042920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1811}}^1$

素因数の和:1946

約数の個数: 64

約数和(自身を含む): 223093440

約数和(自身を除く): 133050520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 1811, 2260, 2486, 3622, 4520, 4972, 6215, 7244, 9055, 9944, 12430, 14488, 18110, 19921, 24860, 36220, 39842, 49720, 72440, 79684, 99605, 159368, 199210, 204643, 398420, 409286, 796840, 818572, 1023215, 1637144, 2046430, 2251073, 4092860, 4502146, 8185720, 9004292, 11255365, 18008584, 22510730, 45021460, 90042920]

約数ペア:

[(1, 90042920), (2, 45021460), (4, 22510730), (5, 18008584), (8, 11255365), (10, 9004292), (11, 8185720), (20, 4502146), (22, 4092860), (40, 2251073), (44, 2046430), (55, 1637144), (88, 1023215), (110, 818572), (113, 796840), (220, 409286), (226, 398420), (440, 204643), (452, 199210), (565, 159368), (904, 99605), (1130, 79684), (1243, 72440), (1811, 49720), (2260, 39842), (2486, 36220), (3622, 24860), (4520, 19921), (4972, 18110), (6215, 14488), (7244, 12430), (9055, 9944)]