108821540

素因数分解:

$2^2\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{2539}}^1$

素因数の和:4691

約数の個数: 24

約数和(自身を含む): 228721920

約数和(自身を除く): 119900380

約数列:

[1, 2, 4, 5, 10, 20, 2143, 2539, 4286, 5078, 8572, 10156, 10715, 12695, 21430, 25390, 42860, 50780, 5441077, 10882154, 21764308, 27205385, 54410770, 108821540]

約数ペア:

[(1, 108821540), (2, 54410770), (4, 27205385), (5, 21764308), (10, 10882154), (20, 5441077), (2143, 50780), (2539, 42860), (4286, 25390), (5078, 21430), (8572, 12695), (10156, 10715)]