30021080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3557}}^1$

素因数の和:3779

約数の個数: 32

約数和(自身を含む): 67886640

約数和(自身を除く): 37865560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3557, 4220, 7114, 8440, 14228, 17785, 28456, 35570, 71140, 142280, 750527, 1501054, 3002108, 3752635, 6004216, 7505270, 15010540, 30021080]

約数ペア:

[(1, 30021080), (2, 15010540), (4, 7505270), (5, 6004216), (8, 3752635), (10, 3002108), (20, 1501054), (40, 750527), (211, 142280), (422, 71140), (844, 35570), (1055, 28456), (1688, 17785), (2110, 14228), (3557, 8440), (4220, 7114)]