13634440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7927}}^1$

素因数の和:7981

約数の個数: 32

約数和(自身を含む): 31394880

約数和(自身を除く): 17760440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7927, 15854, 31708, 39635, 63416, 79270, 158540, 317080, 340861, 681722, 1363444, 1704305, 2726888, 3408610, 6817220, 13634440]

約数ペア:

[(1, 13634440), (2, 6817220), (4, 3408610), (5, 2726888), (8, 1704305), (10, 1363444), (20, 681722), (40, 340861), (43, 317080), (86, 158540), (172, 79270), (215, 63416), (344, 39635), (430, 31708), (860, 15854), (1720, 7927)]