13120910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1181}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 26041824

約数和(自身を除く): 12920914

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1181, 2222, 2362, 5555, 5905, 11110, 11810, 12991, 25982, 64955, 119281, 129910, 238562, 596405, 1192810, 1312091, 2624182, 6560455, 13120910]

約数ペア:

[(1, 13120910), (2, 6560455), (5, 2624182), (10, 1312091), (11, 1192810), (22, 596405), (55, 238562), (101, 129910), (110, 119281), (202, 64955), (505, 25982), (1010, 12991), (1111, 11810), (1181, 11110), (2222, 5905), (2362, 5555)]