15005240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12101}}^1$

素因数の和:12143

約数の個数: 32

約数和(自身を含む): 34853760

約数和(自身を除く): 19848520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12101, 24202, 48404, 60505, 96808, 121010, 242020, 375131, 484040, 750262, 1500524, 1875655, 3001048, 3751310, 7502620, 15005240]

約数ペア:

[(1, 15005240), (2, 7502620), (4, 3751310), (5, 3001048), (8, 1875655), (10, 1500524), (20, 750262), (31, 484040), (40, 375131), (62, 242020), (124, 121010), (155, 96808), (248, 60505), (310, 48404), (620, 24202), (1240, 12101)]