8520740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 11437660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1319, 1615, 2638, 3230, 5276, 6460, 6595, 13190, 22423, 25061, 26380, 44846, 50122, 89692, 100244, 112115, 125305, 224230, 250610, 426037, 448460, 501220, 852074, 1704148, 2130185, 4260370, 8520740]

約数ペア:

[(1, 8520740), (2, 4260370), (4, 2130185), (5, 1704148), (10, 852074), (17, 501220), (19, 448460), (20, 426037), (34, 250610), (38, 224230), (68, 125305), (76, 112115), (85, 100244), (95, 89692), (170, 50122), (190, 44846), (323, 26380), (340, 25061), (380, 22423), (646, 13190), (1292, 6595), (1319, 6460), (1615, 5276), (2638, 3230)]