12823420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 28623168

約数和(自身を除く): 15799748

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 457, 460, 610, 914, 1220, 1403, 1828, 2285, 2806, 4570, 5612, 7015, 9140, 10511, 14030, 21022, 27877, 28060, 42044, 52555, 55754, 105110, 111508, 139385, 210220, 278770, 557540, 641171, 1282342, 2564684, 3205855, 6411710, 12823420]

約数ペア:

[(1, 12823420), (2, 6411710), (4, 3205855), (5, 2564684), (10, 1282342), (20, 641171), (23, 557540), (46, 278770), (61, 210220), (92, 139385), (115, 111508), (122, 105110), (230, 55754), (244, 52555), (305, 42044), (457, 28060), (460, 27877), (610, 21022), (914, 14030), (1220, 10511), (1403, 9140), (1828, 7015), (2285, 5612), (2806, 4570)]