1328540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 2812992

約数和(自身を除く): 1484452

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 367, 724, 734, 905, 1468, 1810, 1835, 3620, 3670, 7340, 66427, 132854, 265708, 332135, 664270, 1328540]

約数ペア:

[(1, 1328540), (2, 664270), (4, 332135), (5, 265708), (10, 132854), (20, 66427), (181, 7340), (362, 3670), (367, 3620), (724, 1835), (734, 1810), (905, 1468)]