25442240

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^3$

素因数の和:146

約数の個数: 56

約数和(自身を含む): 62026800

約数和(自身を除く): 36584560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 1849, 2752, 3440, 3698, 6880, 7396, 9245, 13760, 14792, 18490, 29584, 36980, 59168, 73960, 79507, 118336, 147920, 159014, 295840, 318028, 397535, 591680, 636056, 795070, 1272112, 1590140, 2544224, 3180280, 5088448, 6360560, 12721120, 25442240]

約数ペア:

[(1, 25442240), (2, 12721120), (4, 6360560), (5, 5088448), (8, 3180280), (10, 2544224), (16, 1590140), (20, 1272112), (32, 795070), (40, 636056), (43, 591680), (64, 397535), (80, 318028), (86, 295840), (160, 159014), (172, 147920), (215, 118336), (320, 79507), (344, 73960), (430, 59168), (688, 36980), (860, 29584), (1376, 18490), (1720, 14792), (1849, 13760), (2752, 9245), (3440, 7396), (3698, 6880)]