2066840

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 4693680

約数和(自身を除く): 2626840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 317, 326, 634, 652, 815, 1268, 1304, 1585, 1630, 2536, 3170, 3260, 6340, 6520, 12680, 51671, 103342, 206684, 258355, 413368, 516710, 1033420, 2066840]

約数ペア:

[(1, 2066840), (2, 1033420), (4, 516710), (5, 413368), (8, 258355), (10, 206684), (20, 103342), (40, 51671), (163, 12680), (317, 6520), (326, 6340), (634, 3260), (652, 3170), (815, 2536), (1268, 1630), (1304, 1585)]