15191240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12251}}^1$

素因数の和:12293

約数の個数: 32

約数和(自身を含む): 35285760

約数和(自身を除く): 20094520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12251, 24502, 49004, 61255, 98008, 122510, 245020, 379781, 490040, 759562, 1519124, 1898905, 3038248, 3797810, 7595620, 15191240]

約数ペア:

[(1, 15191240), (2, 7595620), (4, 3797810), (5, 3038248), (8, 1898905), (10, 1519124), (20, 759562), (31, 490040), (40, 379781), (62, 245020), (124, 122510), (155, 98008), (248, 61255), (310, 49004), (620, 24502), (1240, 12251)]