13002760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 30148740

約数和(自身を除く): 17145980

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 488, 584, 610, 730, 1220, 1460, 2440, 2920, 4453, 5329, 8906, 10658, 17812, 21316, 22265, 26645, 35624, 42632, 44530, 53290, 89060, 106580, 178120, 213160, 325069, 650138, 1300276, 1625345, 2600552, 3250690, 6501380, 13002760]

約数ペア:

[(1, 13002760), (2, 6501380), (4, 3250690), (5, 2600552), (8, 1625345), (10, 1300276), (20, 650138), (40, 325069), (61, 213160), (73, 178120), (122, 106580), (146, 89060), (244, 53290), (292, 44530), (305, 42632), (365, 35624), (488, 26645), (584, 22265), (610, 21316), (730, 17812), (1220, 10658), (1460, 8906), (2440, 5329), (2920, 4453)]