713678480

素因数分解:

$2^4\times 5^1\times {\mathrm{8920981}}^1$

素因数の和:8920994

約数の個数: 20

約数和(自身を含む): 1659302652

約数和(自身を除く): 945624172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8920981, 17841962, 35683924, 44604905, 71367848, 89209810, 142735696, 178419620, 356839240, 713678480]

約数ペア:

[(1, 713678480), (2, 356839240), (4, 178419620), (5, 142735696), (8, 89209810), (10, 71367848), (16, 44604905), (20, 35683924), (40, 17841962), (80, 8920981)]