71002640

素因数分解:

$2^4\times 5^1\times {\mathrm{887533}}^1$

素因数の和:887546

約数の個数: 20

約数和(自身を含む): 165081324

約数和(自身を除く): 94078684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 887533, 1775066, 3550132, 4437665, 7100264, 8875330, 14200528, 17750660, 35501320, 71002640]

約数ペア:

[(1, 71002640), (2, 35501320), (4, 17750660), (5, 14200528), (8, 8875330), (10, 7100264), (16, 4437665), (20, 3550132), (40, 1775066), (80, 887533)]