87848980

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{19181}}^1$

素因数の和:19419

約数の個数: 24

約数和(自身を含む): 185298120

約数和(自身を除く): 97449140

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 19181, 38362, 76724, 95905, 191810, 383620, 4392449, 8784898, 17569796, 21962245, 43924490, 87848980]

約数ペア:

[(1, 87848980), (2, 43924490), (4, 21962245), (5, 17569796), (10, 8784898), (20, 4392449), (229, 383620), (458, 191810), (916, 95905), (1145, 76724), (2290, 38362), (4580, 19181)]