28513360

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3331}}^1$

素因数の和:3451

約数の個数: 40

約数和(自身を含む): 66933216

約数和(自身を除く): 38419856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 3331, 4280, 6662, 8560, 13324, 16655, 26648, 33310, 53296, 66620, 133240, 266480, 356417, 712834, 1425668, 1782085, 2851336, 3564170, 5702672, 7128340, 14256680, 28513360]

約数ペア:

[(1, 28513360), (2, 14256680), (4, 7128340), (5, 5702672), (8, 3564170), (10, 2851336), (16, 1782085), (20, 1425668), (40, 712834), (80, 356417), (107, 266480), (214, 133240), (428, 66620), (535, 53296), (856, 33310), (1070, 26648), (1712, 16655), (2140, 13324), (3331, 8560), (4280, 6662)]