80942860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{130553}}^1$

素因数の和:130593

約数の個数: 24

約数和(自身を含む): 175464576

約数和(自身を除く): 94521716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 130553, 261106, 522212, 652765, 1305530, 2611060, 4047143, 8094286, 16188572, 20235715, 40471430, 80942860]

約数ペア:

[(1, 80942860), (2, 40471430), (4, 20235715), (5, 16188572), (10, 8094286), (20, 4047143), (31, 2611060), (62, 1305530), (124, 652765), (155, 522212), (310, 261106), (620, 130553)]