13940440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2339}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 31590000

約数和(自身を除く): 17649560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2339, 2980, 4678, 5960, 9356, 11695, 18712, 23390, 46780, 93560, 348511, 697022, 1394044, 1742555, 2788088, 3485110, 6970220, 13940440]

約数ペア:

[(1, 13940440), (2, 6970220), (4, 3485110), (5, 2788088), (8, 1742555), (10, 1394044), (20, 697022), (40, 348511), (149, 93560), (298, 46780), (596, 23390), (745, 18712), (1192, 11695), (1490, 9356), (2339, 5960), (2980, 4678)]