8428720

素因数分解:

$2^4\times 5^1\times {\mathrm{105359}}^1$

素因数の和:105372

約数の個数: 20

約数和(自身を含む): 19596960

約数和(自身を除く): 11168240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105359, 210718, 421436, 526795, 842872, 1053590, 1685744, 2107180, 4214360, 8428720]

約数ペア:

[(1, 8428720), (2, 4214360), (4, 2107180), (5, 1685744), (8, 1053590), (10, 842872), (16, 526795), (20, 421436), (40, 210718), (80, 105359)]