3188440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 7272000

約数和(自身を除く): 4083560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1009, 1580, 2018, 3160, 4036, 5045, 8072, 10090, 20180, 40360, 79711, 159422, 318844, 398555, 637688, 797110, 1594220, 3188440]

約数ペア:

[(1, 3188440), (2, 1594220), (4, 797110), (5, 637688), (8, 398555), (10, 318844), (20, 159422), (40, 79711), (79, 40360), (158, 20180), (316, 10090), (395, 8072), (632, 5045), (790, 4036), (1009, 3160), (1580, 2018)]