64572880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{11057}}^1$

素因数の和:11143

約数の個数: 40

約数和(自身を含む): 152202312

約数和(自身を除く): 87629432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 11057, 22114, 44228, 55285, 88456, 110570, 176912, 221140, 442280, 807161, 884560, 1614322, 3228644, 4035805, 6457288, 8071610, 12914576, 16143220, 32286440, 64572880]

約数ペア:

[(1, 64572880), (2, 32286440), (4, 16143220), (5, 12914576), (8, 8071610), (10, 6457288), (16, 4035805), (20, 3228644), (40, 1614322), (73, 884560), (80, 807161), (146, 442280), (292, 221140), (365, 176912), (584, 110570), (730, 88456), (1168, 55285), (1460, 44228), (2920, 22114), (5840, 11057)]