30042640

素因数分解:

$2^4\times 5^1\times {\mathrm{375533}}^1$

素因数の和:375546

約数の個数: 20

約数和(自身を含む): 69849324

約数和(自身を除く): 39806684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 375533, 751066, 1502132, 1877665, 3004264, 3755330, 6008528, 7510660, 15021320, 30042640]

約数ペア:

[(1, 30042640), (2, 15021320), (4, 7510660), (5, 6008528), (8, 3755330), (10, 3004264), (16, 1877665), (20, 1502132), (40, 751066), (80, 375533)]