26520580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 59290560

約数和(自身を除く): 32769980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 691, 1010, 1382, 1919, 2020, 2764, 3455, 3838, 6910, 7676, 9595, 13129, 13820, 19190, 26258, 38380, 52516, 65645, 69791, 131290, 139582, 262580, 279164, 348955, 697910, 1326029, 1395820, 2652058, 5304116, 6630145, 13260290, 26520580]

約数ペア:

[(1, 26520580), (2, 13260290), (4, 6630145), (5, 5304116), (10, 2652058), (19, 1395820), (20, 1326029), (38, 697910), (76, 348955), (95, 279164), (101, 262580), (190, 139582), (202, 131290), (380, 69791), (404, 65645), (505, 52516), (691, 38380), (1010, 26258), (1382, 19190), (1919, 13820), (2020, 13129), (2764, 9595), (3455, 7676), (3838, 6910)]