12818804540

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{804191}}^1$

素因数の和:804997

約数の個数: 24

約数和(自身を含む): 26953299072

約数和(自身を除く): 14134494532

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 15940, 804191, 1608382, 3216764, 4020955, 8041910, 16083820, 640940227, 1281880454, 2563760908, 3204701135, 6409402270, 12818804540]

約数ペア:

[(1, 12818804540), (2, 6409402270), (4, 3204701135), (5, 2563760908), (10, 1281880454), (20, 640940227), (797, 16083820), (1594, 8041910), (3188, 4020955), (3985, 3216764), (7970, 1608382), (15940, 804191)]