89259440

素因数分解:

$2^4\times 5^1\times {\mathrm{1115743}}^1$

素因数の和:1115756

約数の個数: 20

約数和(自身を含む): 207528384

約数和(自身を除く): 118268944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1115743, 2231486, 4462972, 5578715, 8925944, 11157430, 17851888, 22314860, 44629720, 89259440]

約数ペア:

[(1, 89259440), (2, 44629720), (4, 22314860), (5, 17851888), (8, 11157430), (10, 8925944), (16, 5578715), (20, 4462972), (40, 2231486), (80, 1115743)]