65623240

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1579}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 147888000

約数和(自身を除く): 82264760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 1579, 2078, 3158, 4156, 5195, 6316, 7895, 8312, 10390, 12632, 15790, 20780, 31580, 41560, 63160, 1640581, 3281162, 6562324, 8202905, 13124648, 16405810, 32811620, 65623240]

約数ペア:

[(1, 65623240), (2, 32811620), (4, 16405810), (5, 13124648), (8, 8202905), (10, 6562324), (20, 3281162), (40, 1640581), (1039, 63160), (1579, 41560), (2078, 31580), (3158, 20780), (4156, 15790), (5195, 12632), (6316, 10390), (7895, 8312)]