8686480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9871}}^1$

素因数の和:9895

約数の個数: 40

約数和(自身を含む): 22034304

約数和(自身を除く): 13347824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9871, 19742, 39484, 49355, 78968, 98710, 108581, 157936, 197420, 217162, 394840, 434324, 542905, 789680, 868648, 1085810, 1737296, 2171620, 4343240, 8686480]

約数ペア:

[(1, 8686480), (2, 4343240), (4, 2171620), (5, 1737296), (8, 1085810), (10, 868648), (11, 789680), (16, 542905), (20, 434324), (22, 394840), (40, 217162), (44, 197420), (55, 157936), (80, 108581), (88, 98710), (110, 78968), (176, 49355), (220, 39484), (440, 19742), (880, 9871)]