89223920

素因数分解:

$2^4\times 5^1\times {\mathrm{1115299}}^1$

素因数の和:1115312

約数の個数: 20

約数和(自身を含む): 207445800

約数和(自身を除く): 118221880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1115299, 2230598, 4461196, 5576495, 8922392, 11152990, 17844784, 22305980, 44611960, 89223920]

約数ペア:

[(1, 89223920), (2, 44611960), (4, 22305980), (5, 17844784), (8, 11152990), (10, 8922392), (16, 5576495), (20, 4461196), (40, 2230598), (80, 1115299)]