9216020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 21325248

約数和(自身を除く): 12109228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 257, 326, 514, 652, 815, 1028, 1285, 1630, 1793, 2570, 2827, 3260, 3586, 5140, 5654, 7172, 8965, 11308, 14135, 17930, 28270, 35860, 41891, 56540, 83782, 167564, 209455, 418910, 460801, 837820, 921602, 1843204, 2304005, 4608010, 9216020]

約数ペア:

[(1, 9216020), (2, 4608010), (4, 2304005), (5, 1843204), (10, 921602), (11, 837820), (20, 460801), (22, 418910), (44, 209455), (55, 167564), (110, 83782), (163, 56540), (220, 41891), (257, 35860), (326, 28270), (514, 17930), (652, 14135), (815, 11308), (1028, 8965), (1285, 7172), (1630, 5654), (1793, 5140), (2570, 3586), (2827, 3260)]