153118520

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{8641}}^1$

素因数の和:9095

約数の個数: 32

約数和(自身を含む): 345334320

約数和(自身を除く): 192215800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8641, 8860, 17282, 17720, 34564, 43205, 69128, 86410, 172820, 345640, 3827963, 7655926, 15311852, 19139815, 30623704, 38279630, 76559260, 153118520]

約数ペア:

[(1, 153118520), (2, 76559260), (4, 38279630), (5, 30623704), (8, 19139815), (10, 15311852), (20, 7655926), (40, 3827963), (443, 345640), (886, 172820), (1772, 86410), (2215, 69128), (3544, 43205), (4430, 34564), (8641, 17720), (8860, 17282)]