160990100

素因数分解:

$2^2\times 5^2\times {\mathrm{1609901}}^1$

素因数の和:1609915

約数の個数: 18

約数和(自身を含む): 349348734

約数和(自身を除く): 188358634

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1609901, 3219802, 6439604, 8049505, 16099010, 32198020, 40247525, 80495050, 160990100]

約数ペア:

[(1, 160990100), (2, 80495050), (4, 40247525), (5, 32198020), (10, 16099010), (20, 8049505), (25, 6439604), (50, 3219802), (100, 1609901)]