10279120

素因数分解:

$2^4\times 5^1\times {\mathrm{128489}}^1$

素因数の和:128502

約数の個数: 20

約数和(自身を含む): 23899140

約数和(自身を除く): 13620020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 128489, 256978, 513956, 642445, 1027912, 1284890, 2055824, 2569780, 5139560, 10279120]

約数ペア:

[(1, 10279120), (2, 5139560), (4, 2569780), (5, 2055824), (8, 1284890), (10, 1027912), (16, 642445), (20, 513956), (40, 256978), (80, 128489)]