24400420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 56282688

約数和(自身を除く): 31882268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 563, 788, 985, 1126, 1970, 2167, 2252, 2815, 3940, 4334, 5630, 6193, 8668, 10835, 11260, 12386, 21670, 24772, 30965, 43340, 61930, 110911, 123860, 221822, 443644, 554555, 1109110, 1220021, 2218220, 2440042, 4880084, 6100105, 12200210, 24400420]

約数ペア:

[(1, 24400420), (2, 12200210), (4, 6100105), (5, 4880084), (10, 2440042), (11, 2218220), (20, 1220021), (22, 1109110), (44, 554555), (55, 443644), (110, 221822), (197, 123860), (220, 110911), (394, 61930), (563, 43340), (788, 30965), (985, 24772), (1126, 21670), (1970, 12386), (2167, 11260), (2252, 10835), (2815, 8668), (3940, 6193), (4334, 5630)]