8879120

素因数分解:

$2^4\times 5^1\times {\mathrm{110989}}^1$

素因数の和:111002

約数の個数: 20

約数和(自身を含む): 20644140

約数和(自身を除く): 11765020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110989, 221978, 443956, 554945, 887912, 1109890, 1775824, 2219780, 4439560, 8879120]

約数ペア:

[(1, 8879120), (2, 4439560), (4, 2219780), (5, 1775824), (8, 1109890), (10, 887912), (16, 554945), (20, 443956), (40, 221978), (80, 110989)]