3221720

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 7300800

約数和(自身を除く): 4079080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 337, 478, 674, 956, 1195, 1348, 1685, 1912, 2390, 2696, 3370, 4780, 6740, 9560, 13480, 80543, 161086, 322172, 402715, 644344, 805430, 1610860, 3221720]

約数ペア:

[(1, 3221720), (2, 1610860), (4, 805430), (5, 644344), (8, 402715), (10, 322172), (20, 161086), (40, 80543), (239, 13480), (337, 9560), (478, 6740), (674, 4780), (956, 3370), (1195, 2696), (1348, 2390), (1685, 1912)]