900955840

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20551}}^1$

素因数の和:20705

約数の個数: 56

約数和(自身を含む): 2161166112

約数和(自身を除く): 1260210272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 8768, 10960, 20551, 21920, 41102, 43840, 82204, 102755, 164408, 205510, 328816, 411020, 657632, 822040, 1315264, 1644080, 2815487, 3288160, 5630974, 6576320, 11261948, 14077435, 22523896, 28154870, 45047792, 56309740, 90095584, 112619480, 180191168, 225238960, 450477920, 900955840]

約数ペア:

[(1, 900955840), (2, 450477920), (4, 225238960), (5, 180191168), (8, 112619480), (10, 90095584), (16, 56309740), (20, 45047792), (32, 28154870), (40, 22523896), (64, 14077435), (80, 11261948), (137, 6576320), (160, 5630974), (274, 3288160), (320, 2815487), (548, 1644080), (685, 1315264), (1096, 822040), (1370, 657632), (2192, 411020), (2740, 328816), (4384, 205510), (5480, 164408), (8768, 102755), (10960, 82204), (20551, 43840), (21920, 41102)]