7320140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 16087680

約数和(自身を除く): 8767540

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 113, 158, 164, 205, 226, 316, 395, 410, 452, 565, 790, 820, 1130, 1580, 2260, 3239, 4633, 6478, 8927, 9266, 12956, 16195, 17854, 18532, 23165, 32390, 35708, 44635, 46330, 64780, 89270, 92660, 178540, 366007, 732014, 1464028, 1830035, 3660070, 7320140]

約数ペア:

[(1, 7320140), (2, 3660070), (4, 1830035), (5, 1464028), (10, 732014), (20, 366007), (41, 178540), (79, 92660), (82, 89270), (113, 64780), (158, 46330), (164, 44635), (205, 35708), (226, 32390), (316, 23165), (395, 18532), (410, 17854), (452, 16195), (565, 12956), (790, 9266), (820, 8927), (1130, 6478), (1580, 4633), (2260, 3239)]