102479120

素因数分解:

$2^4\times 5^1\times {\mathrm{1280989}}^1$

素因数の和:1281002

約数の個数: 20

約数和(自身を含む): 238264140

約数和(自身を除く): 135785020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1280989, 2561978, 5123956, 6404945, 10247912, 12809890, 20495824, 25619780, 51239560, 102479120]

約数ペア:

[(1, 102479120), (2, 51239560), (4, 25619780), (5, 20495824), (8, 12809890), (10, 10247912), (16, 6404945), (20, 5123956), (40, 2561978), (80, 1280989)]