11138960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19891}}^1$

素因数の和:19911

約数の個数: 40

約数和(自身を含む): 29599296

約数和(自身を除く): 18460336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 19891, 39782, 79564, 99455, 139237, 159128, 198910, 278474, 318256, 397820, 556948, 696185, 795640, 1113896, 1392370, 1591280, 2227792, 2784740, 5569480, 11138960]

約数ペア:

[(1, 11138960), (2, 5569480), (4, 2784740), (5, 2227792), (7, 1591280), (8, 1392370), (10, 1113896), (14, 795640), (16, 696185), (20, 556948), (28, 397820), (35, 318256), (40, 278474), (56, 198910), (70, 159128), (80, 139237), (112, 99455), (140, 79564), (280, 39782), (560, 19891)]