40399060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155381}}^1$

素因数の和:155403

約数の個数: 24

約数和(自身を含む): 91364616

約数和(自身を除く): 50965556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155381, 310762, 621524, 776905, 1553810, 2019953, 3107620, 4039906, 8079812, 10099765, 20199530, 40399060]

約数ペア:

[(1, 40399060), (2, 20199530), (4, 10099765), (5, 8079812), (10, 4039906), (13, 3107620), (20, 2019953), (26, 1553810), (52, 776905), (65, 621524), (130, 310762), (260, 155381)]