402956060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549831}}^1$

素因数の和:1549853

約数の個数: 24

約数和(自身を含む): 911301216

約数和(自身を除く): 508345156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1549831, 3099662, 6199324, 7749155, 15498310, 20147803, 30996620, 40295606, 80591212, 100739015, 201478030, 402956060]

約数ペア:

[(1, 402956060), (2, 201478030), (4, 100739015), (5, 80591212), (10, 40295606), (13, 30996620), (20, 20147803), (26, 15498310), (52, 7749155), (65, 6199324), (130, 3099662), (260, 1549831)]