688040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 1572480

約数和(自身を除く): 884440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 167, 206, 334, 412, 515, 668, 824, 835, 1030, 1336, 1670, 2060, 3340, 4120, 6680, 17201, 34402, 68804, 86005, 137608, 172010, 344020, 688040]

約数ペア:

[(1, 688040), (2, 344020), (4, 172010), (5, 137608), (8, 86005), (10, 68804), (20, 34402), (40, 17201), (103, 6680), (167, 4120), (206, 3340), (334, 2060), (412, 1670), (515, 1336), (668, 1030), (824, 835)]