87284720

素因数分解:

$2^4\times 5^1\times {\mathrm{1091059}}^1$

素因数の和:1091072

約数の個数: 20

約数和(自身を含む): 202937160

約数和(自身を除く): 115652440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091059, 2182118, 4364236, 5455295, 8728472, 10910590, 17456944, 21821180, 43642360, 87284720]

約数ペア:

[(1, 87284720), (2, 43642360), (4, 21821180), (5, 17456944), (8, 10910590), (10, 8728472), (16, 5455295), (20, 4364236), (40, 2182118), (80, 1091059)]