200797420

素因数分解:

$2^2\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{6271}}^1$

素因数の和:7881

約数の個数: 24

約数和(自身を含む): 422005248

約数和(自身を除く): 221207828

約数列:

[1, 2, 4, 5, 10, 20, 1601, 3202, 6271, 6404, 8005, 12542, 16010, 25084, 31355, 32020, 62710, 125420, 10039871, 20079742, 40159484, 50199355, 100398710, 200797420]

約数ペア:

[(1, 200797420), (2, 100398710), (4, 50199355), (5, 40159484), (10, 20079742), (20, 10039871), (1601, 125420), (3202, 62710), (6271, 32020), (6404, 31355), (8005, 25084), (12542, 16010)]