67604780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47609}}^1$

素因数の和:47689

約数の個数: 24

約数和(自身を含む): 143972640

約数和(自身を除く): 76367860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 47609, 95218, 190436, 238045, 476090, 952180, 3380239, 6760478, 13520956, 16901195, 33802390, 67604780]

約数ペア:

[(1, 67604780), (2, 33802390), (4, 16901195), (5, 13520956), (10, 6760478), (20, 3380239), (71, 952180), (142, 476090), (284, 238045), (355, 190436), (710, 95218), (1420, 47609)]