13131140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3511}}^1$

素因数の和:3548

約数の個数: 48

約数和(自身を含む): 31860864

約数和(自身を除く): 18729724

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3511, 3740, 7022, 14044, 17555, 35110, 38621, 59687, 70220, 77242, 119374, 154484, 193105, 238748, 298435, 386210, 596870, 656557, 772420, 1193740, 1313114, 2626228, 3282785, 6565570, 13131140]

約数ペア:

[(1, 13131140), (2, 6565570), (4, 3282785), (5, 2626228), (10, 1313114), (11, 1193740), (17, 772420), (20, 656557), (22, 596870), (34, 386210), (44, 298435), (55, 238748), (68, 193105), (85, 154484), (110, 119374), (170, 77242), (187, 70220), (220, 59687), (340, 38621), (374, 35110), (748, 17555), (935, 14044), (1870, 7022), (3511, 3740)]