3540440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 8102160

約数和(自身を除く): 4561720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1451, 2440, 2902, 5804, 7255, 11608, 14510, 29020, 58040, 88511, 177022, 354044, 442555, 708088, 885110, 1770220, 3540440]

約数ペア:

[(1, 3540440), (2, 1770220), (4, 885110), (5, 708088), (8, 442555), (10, 354044), (20, 177022), (40, 88511), (61, 58040), (122, 29020), (244, 14510), (305, 11608), (488, 7255), (610, 5804), (1220, 2902), (1451, 2440)]