90911680

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2237}}^1$

素因数の和:2381

約数の個数: 56

約数和(自身を含む): 218285568

約数和(自身を除く): 127373888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2237, 2540, 4064, 4474, 5080, 8128, 8948, 10160, 11185, 17896, 20320, 22370, 35792, 40640, 44740, 71584, 89480, 143168, 178960, 284099, 357920, 568198, 715840, 1136396, 1420495, 2272792, 2840990, 4545584, 5681980, 9091168, 11363960, 18182336, 22727920, 45455840, 90911680]

約数ペア:

[(1, 90911680), (2, 45455840), (4, 22727920), (5, 18182336), (8, 11363960), (10, 9091168), (16, 5681980), (20, 4545584), (32, 2840990), (40, 2272792), (64, 1420495), (80, 1136396), (127, 715840), (160, 568198), (254, 357920), (320, 284099), (508, 178960), (635, 143168), (1016, 89480), (1270, 71584), (2032, 44740), (2237, 40640), (2540, 35792), (4064, 22370), (4474, 20320), (5080, 17896), (8128, 11185), (8948, 10160)]