201988880

素因数分解:

$2^4\times 5^1\times {\mathrm{2524861}}^1$

素因数の和:2524874

約数の個数: 20

約数和(自身を含む): 469624332

約数和(自身を除く): 267635452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524861, 5049722, 10099444, 12624305, 20198888, 25248610, 40397776, 50497220, 100994440, 201988880]

約数ペア:

[(1, 201988880), (2, 100994440), (4, 50497220), (5, 40397776), (8, 25248610), (10, 20198888), (16, 12624305), (20, 10099444), (40, 5049722), (80, 2524861)]