64905760

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5557}}^1$

素因数の和:5645

約数の個数: 48

約数和(自身を含む): 155468376

約数和(自身を除く): 90562616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5557, 5840, 11114, 11680, 22228, 27785, 44456, 55570, 88912, 111140, 177824, 222280, 405661, 444560, 811322, 889120, 1622644, 2028305, 3245288, 4056610, 6490576, 8113220, 12981152, 16226440, 32452880, 64905760]

約数ペア:

[(1, 64905760), (2, 32452880), (4, 16226440), (5, 12981152), (8, 8113220), (10, 6490576), (16, 4056610), (20, 3245288), (32, 2028305), (40, 1622644), (73, 889120), (80, 811322), (146, 444560), (160, 405661), (292, 222280), (365, 177824), (584, 111140), (730, 88912), (1168, 55570), (1460, 44456), (2336, 27785), (2920, 22228), (5557, 11680), (5840, 11114)]