55865260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 128731680

約数和(自身を除く): 72866420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1289, 1970, 2167, 2578, 3940, 4334, 5156, 6445, 8668, 10835, 12890, 14179, 21670, 25780, 28358, 43340, 56716, 70895, 141790, 253933, 283580, 507866, 1015732, 1269665, 2539330, 2793263, 5078660, 5586526, 11173052, 13966315, 27932630, 55865260]

約数ペア:

[(1, 55865260), (2, 27932630), (4, 13966315), (5, 11173052), (10, 5586526), (11, 5078660), (20, 2793263), (22, 2539330), (44, 1269665), (55, 1015732), (110, 507866), (197, 283580), (220, 253933), (394, 141790), (788, 70895), (985, 56716), (1289, 43340), (1970, 28358), (2167, 25780), (2578, 21670), (3940, 14179), (4334, 12890), (5156, 10835), (6445, 8668)]