89332720

素因数分解:

$2^4\times 5^1\times {\mathrm{1116659}}^1$

素因数の和:1116672

約数の個数: 20

約数和(自身を含む): 207698760

約数和(自身を除く): 118366040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1116659, 2233318, 4466636, 5583295, 8933272, 11166590, 17866544, 22333180, 44666360, 89332720]

約数ペア:

[(1, 89332720), (2, 44666360), (4, 22333180), (5, 17866544), (8, 11166590), (10, 8933272), (16, 5583295), (20, 4466636), (40, 2233318), (80, 1116659)]