28362640

素因数分解:

$2^4\times 5^1\times {\mathrm{354533}}^1$

素因数の和:354546

約数の個数: 20

約数和(自身を含む): 65943324

約数和(自身を除く): 37580684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354533, 709066, 1418132, 1772665, 2836264, 3545330, 5672528, 7090660, 14181320, 28362640]

約数ペア:

[(1, 28362640), (2, 14181320), (4, 7090660), (5, 5672528), (8, 3545330), (10, 2836264), (16, 1772665), (20, 1418132), (40, 709066), (80, 354533)]