15717620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 34546176

約数和(自身を除く): 18828556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 251, 310, 404, 502, 505, 620, 1004, 1010, 1255, 2020, 2510, 3131, 5020, 6262, 7781, 12524, 15562, 15655, 25351, 31124, 31310, 38905, 50702, 62620, 77810, 101404, 126755, 155620, 253510, 507020, 785881, 1571762, 3143524, 3929405, 7858810, 15717620]

約数ペア:

[(1, 15717620), (2, 7858810), (4, 3929405), (5, 3143524), (10, 1571762), (20, 785881), (31, 507020), (62, 253510), (101, 155620), (124, 126755), (155, 101404), (202, 77810), (251, 62620), (310, 50702), (404, 38905), (502, 31310), (505, 31124), (620, 25351), (1004, 15655), (1010, 15562), (1255, 12524), (2020, 7781), (2510, 6262), (3131, 5020)]