100581380

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{21961}}^1$

素因数の和:22199

約数の個数: 24

約数和(自身を含む): 212152920

約数和(自身を除く): 111571540

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 21961, 43922, 87844, 109805, 219610, 439220, 5029069, 10058138, 20116276, 25145345, 50290690, 100581380]

約数ペア:

[(1, 100581380), (2, 50290690), (4, 25145345), (5, 20116276), (10, 10058138), (20, 5029069), (229, 439220), (458, 219610), (916, 109805), (1145, 87844), (2290, 43922), (4580, 21961)]