396320

素因数分解:

$2^5\times 5^1\times {\mathrm{2477}}^1$

素因数の和:2492

約数の個数: 24

約数和(自身を含む): 936684

約数和(自身を除く): 540364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2477, 4954, 9908, 12385, 19816, 24770, 39632, 49540, 79264, 99080, 198160, 396320]

約数ペア:

[(1, 396320), (2, 198160), (4, 99080), (5, 79264), (8, 49540), (10, 39632), (16, 24770), (20, 19816), (32, 12385), (40, 9908), (80, 4954), (160, 2477)]