26404020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^2$

素因数の和:781

約数の個数: 54

約数和(自身を含む): 80301858

約数和(自身を除く): 53897838

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1915, 2298, 3447, 3830, 4596, 5745, 6894, 7660, 11490, 13788, 17235, 22980, 34470, 68940, 146689, 293378, 440067, 586756, 733445, 880134, 1320201, 1466890, 1760268, 2200335, 2640402, 2933780, 4400670, 5280804, 6601005, 8801340, 13202010, 26404020]

約数ペア:

[(1, 26404020), (2, 13202010), (3, 8801340), (4, 6601005), (5, 5280804), (6, 4400670), (9, 2933780), (10, 2640402), (12, 2200335), (15, 1760268), (18, 1466890), (20, 1320201), (30, 880134), (36, 733445), (45, 586756), (60, 440067), (90, 293378), (180, 146689), (383, 68940), (766, 34470), (1149, 22980), (1532, 17235), (1915, 13788), (2298, 11490), (3447, 7660), (3830, 6894), (4596, 5745)]