25490740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 33497420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1063, 1090, 1199, 2126, 2180, 2398, 4252, 4796, 5315, 5995, 10630, 11693, 11990, 21260, 23386, 23980, 46772, 58465, 115867, 116930, 231734, 233860, 463468, 579335, 1158670, 1274537, 2317340, 2549074, 5098148, 6372685, 12745370, 25490740]

約数ペア:

[(1, 25490740), (2, 12745370), (4, 6372685), (5, 5098148), (10, 2549074), (11, 2317340), (20, 1274537), (22, 1158670), (44, 579335), (55, 463468), (109, 233860), (110, 231734), (218, 116930), (220, 115867), (436, 58465), (545, 46772), (1063, 23980), (1090, 23386), (1199, 21260), (2126, 11990), (2180, 11693), (2398, 10630), (4252, 5995), (4796, 5315)]