63728440

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1579}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 143622000

約数和(自身を除く): 79893560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 1579, 2018, 3158, 4036, 5045, 6316, 7895, 8072, 10090, 12632, 15790, 20180, 31580, 40360, 63160, 1593211, 3186422, 6372844, 7966055, 12745688, 15932110, 31864220, 63728440]

約数ペア:

[(1, 63728440), (2, 31864220), (4, 15932110), (5, 12745688), (8, 7966055), (10, 6372844), (20, 3186422), (40, 1593211), (1009, 63160), (1579, 40360), (2018, 31580), (3158, 20180), (4036, 15790), (5045, 12632), (6316, 10090), (7895, 8072)]