28277360

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1249}}^1$

素因数の和:1545

約数の個数: 40

約数和(自身を含む): 66030000

約数和(自身を除く): 37752640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1249, 1415, 2264, 2498, 2830, 4528, 4996, 5660, 6245, 9992, 11320, 12490, 19984, 22640, 24980, 49960, 99920, 353467, 706934, 1413868, 1767335, 2827736, 3534670, 5655472, 7069340, 14138680, 28277360]

約数ペア:

[(1, 28277360), (2, 14138680), (4, 7069340), (5, 5655472), (8, 3534670), (10, 2827736), (16, 1767335), (20, 1413868), (40, 706934), (80, 353467), (283, 99920), (566, 49960), (1132, 24980), (1249, 22640), (1415, 19984), (2264, 12490), (2498, 11320), (2830, 9992), (4528, 6245), (4996, 5660)]