207901880

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{8237}}^1$

素因数の和:8879

約数の個数: 32

約数和(自身を含む): 468577440

約数和(自身を除く): 260675560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 8237, 12620, 16474, 25240, 32948, 41185, 65896, 82370, 164740, 329480, 5197547, 10395094, 20790188, 25987735, 41580376, 51975470, 103950940, 207901880]

約数ペア:

[(1, 207901880), (2, 103950940), (4, 51975470), (5, 41580376), (8, 25987735), (10, 20790188), (20, 10395094), (40, 5197547), (631, 329480), (1262, 164740), (2524, 82370), (3155, 65896), (5048, 41185), (6310, 32948), (8237, 25240), (12620, 16474)]