158222020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{65381}}^1$

素因数の和:65412

約数の個数: 36

約数和(自身を含む): 365223852

約数和(自身を除く): 207001832

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 65381, 130762, 261524, 326905, 653810, 719191, 1307620, 1438382, 2876764, 3595955, 7191910, 7911101, 14383820, 15822202, 31644404, 39555505, 79111010, 158222020]

約数ペア:

[(1, 158222020), (2, 79111010), (4, 39555505), (5, 31644404), (10, 15822202), (11, 14383820), (20, 7911101), (22, 7191910), (44, 3595955), (55, 2876764), (110, 1438382), (121, 1307620), (220, 719191), (242, 653810), (484, 326905), (605, 261524), (1210, 130762), (2420, 65381)]