128224940

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{10391}}^1$

素因数の和:11017

約数の個数: 24

約数和(自身を含む): 269734752

約数和(自身を除く): 141509812

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 10391, 12340, 20782, 41564, 51955, 103910, 207820, 6411247, 12822494, 25644988, 32056235, 64112470, 128224940]

約数ペア:

[(1, 128224940), (2, 64112470), (4, 32056235), (5, 25644988), (10, 12822494), (20, 6411247), (617, 207820), (1234, 103910), (2468, 51955), (3085, 41564), (6170, 20782), (10391, 12340)]