99810680

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5927}}^1$

素因数の和:6359

約数の個数: 32

約数和(自身を含む): 225145440

約数和(自身を除く): 125334760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 5927, 8420, 11854, 16840, 23708, 29635, 47416, 59270, 118540, 237080, 2495267, 4990534, 9981068, 12476335, 19962136, 24952670, 49905340, 99810680]

約数ペア:

[(1, 99810680), (2, 49905340), (4, 24952670), (5, 19962136), (8, 12476335), (10, 9981068), (20, 4990534), (40, 2495267), (421, 237080), (842, 118540), (1684, 59270), (2105, 47416), (3368, 29635), (4210, 23708), (5927, 16840), (8420, 11854)]