16405880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{14143}}^1$

素因数の和:14183

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 21782920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 14143, 28286, 56572, 70715, 113144, 141430, 282860, 410147, 565720, 820294, 1640588, 2050735, 3281176, 4101470, 8202940, 16405880]

約数ペア:

[(1, 16405880), (2, 8202940), (4, 4101470), (5, 3281176), (8, 2050735), (10, 1640588), (20, 820294), (29, 565720), (40, 410147), (58, 282860), (116, 141430), (145, 113144), (232, 70715), (290, 56572), (580, 28286), (1160, 14143)]