91260880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18701}}^1$

素因数の和:18775

約数の個数: 40

約数和(自身を含む): 215671464

約数和(自身を除く): 124410584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 18701, 37402, 74804, 93505, 149608, 187010, 299216, 374020, 748040, 1140761, 1496080, 2281522, 4563044, 5703805, 9126088, 11407610, 18252176, 22815220, 45630440, 91260880]

約数ペア:

[(1, 91260880), (2, 45630440), (4, 22815220), (5, 18252176), (8, 11407610), (10, 9126088), (16, 5703805), (20, 4563044), (40, 2281522), (61, 1496080), (80, 1140761), (122, 748040), (244, 374020), (305, 299216), (488, 187010), (610, 149608), (976, 93505), (1220, 74804), (2440, 37402), (4880, 18701)]