1208215240

素因数分解:

$2^3\times 5^1\times {\mathrm{30205381}}^1$

素因数の和:30205392

約数の個数: 16

約数和(自身を含む): 2718484380

約数和(自身を除く): 1510269140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30205381, 60410762, 120821524, 151026905, 241643048, 302053810, 604107620, 1208215240]

約数ペア:

[(1, 1208215240), (2, 604107620), (4, 302053810), (5, 241643048), (8, 151026905), (10, 120821524), (20, 60410762), (40, 30205381)]