2018528360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1\times {\mathrm{1277}}^1$

素因数の和:2250

約数の個数: 64

約数和(自身を含む): 4656009600

約数和(自身を除く): 2637481240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 919, 1277, 1720, 1838, 2554, 3676, 4595, 5108, 6385, 7352, 9190, 10216, 12770, 18380, 25540, 36760, 39517, 51080, 54911, 79034, 109822, 158068, 197585, 219644, 274555, 316136, 395170, 439288, 549110, 790340, 1098220, 1173563, 1580680, 2196440, 2347126, 4694252, 5867815, 9388504, 11735630, 23471260, 46942520, 50463209, 100926418, 201852836, 252316045, 403705672, 504632090, 1009264180, 2018528360]

約数ペア:

[(1, 2018528360), (2, 1009264180), (4, 504632090), (5, 403705672), (8, 252316045), (10, 201852836), (20, 100926418), (40, 50463209), (43, 46942520), (86, 23471260), (172, 11735630), (215, 9388504), (344, 5867815), (430, 4694252), (860, 2347126), (919, 2196440), (1277, 1580680), (1720, 1173563), (1838, 1098220), (2554, 790340), (3676, 549110), (4595, 439288), (5108, 395170), (6385, 316136), (7352, 274555), (9190, 219644), (10216, 197585), (12770, 158068), (18380, 109822), (25540, 79034), (36760, 54911), (39517, 51080)]