8631520

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 20699280

約数和(自身を除く): 12067760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 739, 1168, 1460, 1478, 2336, 2920, 2956, 3695, 5840, 5912, 7390, 11680, 11824, 14780, 23648, 29560, 53947, 59120, 107894, 118240, 215788, 269735, 431576, 539470, 863152, 1078940, 1726304, 2157880, 4315760, 8631520]

約数ペア:

[(1, 8631520), (2, 4315760), (4, 2157880), (5, 1726304), (8, 1078940), (10, 863152), (16, 539470), (20, 431576), (32, 269735), (40, 215788), (73, 118240), (80, 107894), (146, 59120), (160, 53947), (292, 29560), (365, 23648), (584, 14780), (730, 11824), (739, 11680), (1168, 7390), (1460, 5912), (1478, 5840), (2336, 3695), (2920, 2956)]