2629640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 6423300

約数和(自身を除く): 3793660

約数列:

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

約数ペア:

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