25257220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54907}}^1$

素因数の和:54939

約数の個数: 24

約数和(自身を含む): 55347264

約数和(自身を除く): 30090044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 54907, 109814, 219628, 274535, 549070, 1098140, 1262861, 2525722, 5051444, 6314305, 12628610, 25257220]

約数ペア:

[(1, 25257220), (2, 12628610), (4, 6314305), (5, 5051444), (10, 2525722), (20, 1262861), (23, 1098140), (46, 549070), (92, 274535), (115, 219628), (230, 109814), (460, 54907)]