28085840

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{617}}^1$

素因数の和:1199

約数の個数: 40

約数和(自身を含む): 65520360

約数和(自身を除く): 37434520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 617, 1138, 1234, 2276, 2468, 2845, 3085, 4552, 4936, 5690, 6170, 9104, 9872, 11380, 12340, 22760, 24680, 45520, 49360, 351073, 702146, 1404292, 1755365, 2808584, 3510730, 5617168, 7021460, 14042920, 28085840]

約数ペア:

[(1, 28085840), (2, 14042920), (4, 7021460), (5, 5617168), (8, 3510730), (10, 2808584), (16, 1755365), (20, 1404292), (40, 702146), (80, 351073), (569, 49360), (617, 45520), (1138, 24680), (1234, 22760), (2276, 12340), (2468, 11380), (2845, 9872), (3085, 9104), (4552, 6170), (4936, 5690)]