25638990

素因数分解:

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

素因数の和:438

約数の個数: 64

約数和(自身を含む): 66830400

約数和(自身を除く): 41191410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 389, 390, 507, 778, 845, 1014, 1167, 1690, 1945, 2197, 2334, 2535, 3890, 4394, 5057, 5070, 5835, 6591, 10114, 10985, 11670, 13182, 15171, 21970, 25285, 30342, 32955, 50570, 65741, 65910, 75855, 131482, 151710, 197223, 328705, 394446, 657410, 854633, 986115, 1709266, 1972230, 2563899, 4273165, 5127798, 8546330, 12819495, 25638990]

約数ペア:

[(1, 25638990), (2, 12819495), (3, 8546330), (5, 5127798), (6, 4273165), (10, 2563899), (13, 1972230), (15, 1709266), (26, 986115), (30, 854633), (39, 657410), (65, 394446), (78, 328705), (130, 197223), (169, 151710), (195, 131482), (338, 75855), (389, 65910), (390, 65741), (507, 50570), (778, 32955), (845, 30342), (1014, 25285), (1167, 21970), (1690, 15171), (1945, 13182), (2197, 11670), (2334, 10985), (2535, 10114), (3890, 6591), (4394, 5835), (5057, 5070)]