13328440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6287}}^1$

素因数の和:6351

約数の個数: 32

約数和(自身を含む): 30559680

約数和(自身を除く): 17231240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6287, 12574, 25148, 31435, 50296, 62870, 125740, 251480, 333211, 666422, 1332844, 1666055, 2665688, 3332110, 6664220, 13328440]

約数ペア:

[(1, 13328440), (2, 6664220), (4, 3332110), (5, 2665688), (8, 1666055), (10, 1332844), (20, 666422), (40, 333211), (53, 251480), (106, 125740), (212, 62870), (265, 50296), (424, 31435), (530, 25148), (1060, 12574), (2120, 6287)]