13951240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11251}}^1$

素因数の和:11293

約数の個数: 32

約数和(自身を含む): 32405760

約数和(自身を除く): 18454520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 11251, 22502, 45004, 56255, 90008, 112510, 225020, 348781, 450040, 697562, 1395124, 1743905, 2790248, 3487810, 6975620, 13951240]

約数ペア:

[(1, 13951240), (2, 6975620), (4, 3487810), (5, 2790248), (8, 1743905), (10, 1395124), (20, 697562), (31, 450040), (40, 348781), (62, 225020), (124, 112510), (155, 90008), (248, 56255), (310, 45004), (620, 22502), (1240, 11251)]