8122760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3329}}^1$

素因数の和:3401

約数の個数: 32

約数和(自身を含む): 18581400

約数和(自身を除く): 10458640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3329, 6658, 13316, 16645, 26632, 33290, 66580, 133160, 203069, 406138, 812276, 1015345, 1624552, 2030690, 4061380, 8122760]

約数ペア:

[(1, 8122760), (2, 4061380), (4, 2030690), (5, 1624552), (8, 1015345), (10, 812276), (20, 406138), (40, 203069), (61, 133160), (122, 66580), (244, 33290), (305, 26632), (488, 16645), (610, 13316), (1220, 6658), (2440, 3329)]