63642640

素因数分解:

$2^4\times 5^1\times {\mathrm{795533}}^1$

素因数の和:795546

約数の個数: 20

約数和(自身を含む): 147969324

約数和(自身を除く): 84326684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 795533, 1591066, 3182132, 3977665, 6364264, 7955330, 12728528, 15910660, 31821320, 63642640]

約数ペア:

[(1, 63642640), (2, 31821320), (4, 15910660), (5, 12728528), (8, 7955330), (10, 6364264), (16, 3977665), (20, 3182132), (40, 1591066), (80, 795533)]