13374440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1399}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 16865560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1399, 1912, 2390, 2798, 4780, 5596, 6995, 9560, 11192, 13990, 27980, 55960, 334361, 668722, 1337444, 1671805, 2674888, 3343610, 6687220, 13374440]

約数ペア:

[(1, 13374440), (2, 6687220), (4, 3343610), (5, 2674888), (8, 1671805), (10, 1337444), (20, 668722), (40, 334361), (239, 55960), (478, 27980), (956, 13990), (1195, 11192), (1399, 9560), (1912, 6995), (2390, 5596), (2798, 4780)]