201191660

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{25339}}^1$

素因数の和:25745

約数の個数: 24

約数和(自身を含む): 423583440

約数和(自身を除く): 222391780

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 25339, 50678, 101356, 126695, 253390, 506780, 10059583, 20119166, 40238332, 50297915, 100595830, 201191660]

約数ペア:

[(1, 201191660), (2, 100595830), (4, 50297915), (5, 40238332), (10, 20119166), (20, 10059583), (397, 506780), (794, 253390), (1588, 126695), (1985, 101356), (3970, 50678), (7940, 25339)]