13990040

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{953}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 31596480

約数和(自身を除く): 17606440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 953, 1468, 1835, 1906, 2936, 3670, 3812, 4765, 7340, 7624, 9530, 14680, 19060, 38120, 349751, 699502, 1399004, 1748755, 2798008, 3497510, 6995020, 13990040]

約数ペア:

[(1, 13990040), (2, 6995020), (4, 3497510), (5, 2798008), (8, 1748755), (10, 1399004), (20, 699502), (40, 349751), (367, 38120), (734, 19060), (953, 14680), (1468, 9530), (1835, 7624), (1906, 7340), (2936, 4765), (3670, 3812)]