28338040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13367}}^1$

素因数の和:13431

約数の個数: 32

約数和(自身を含む): 64968480

約数和(自身を除く): 36630440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13367, 26734, 53468, 66835, 106936, 133670, 267340, 534680, 708451, 1416902, 2833804, 3542255, 5667608, 7084510, 14169020, 28338040]

約数ペア:

[(1, 28338040), (2, 14169020), (4, 7084510), (5, 5667608), (8, 3542255), (10, 2833804), (20, 1416902), (40, 708451), (53, 534680), (106, 267340), (212, 133670), (265, 106936), (424, 66835), (530, 53468), (1060, 26734), (2120, 13367)]