5259280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 60

約数和(自身を含む): 13274820

約数和(自身を除く): 8015540

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 389, 520, 676, 778, 845, 1040, 1352, 1556, 1690, 1945, 2704, 3112, 3380, 3890, 5057, 6224, 6760, 7780, 10114, 13520, 15560, 20228, 25285, 31120, 40456, 50570, 65741, 80912, 101140, 131482, 202280, 262964, 328705, 404560, 525928, 657410, 1051856, 1314820, 2629640, 5259280]

約数ペア:

[(1, 5259280), (2, 2629640), (4, 1314820), (5, 1051856), (8, 657410), (10, 525928), (13, 404560), (16, 328705), (20, 262964), (26, 202280), (40, 131482), (52, 101140), (65, 80912), (80, 65741), (104, 50570), (130, 40456), (169, 31120), (208, 25285), (260, 20228), (338, 15560), (389, 13520), (520, 10114), (676, 7780), (778, 6760), (845, 6224), (1040, 5057), (1352, 3890), (1556, 3380), (1690, 3112), (1945, 2704)]