55920920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1741}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 139220640

約数和(自身を除く): 83299720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 1741, 2920, 3212, 3482, 4015, 6424, 6964, 8030, 8705, 13928, 16060, 17410, 19151, 32120, 34820, 38302, 69640, 76604, 95755, 127093, 153208, 191510, 254186, 383020, 508372, 635465, 766040, 1016744, 1270930, 1398023, 2541860, 2796046, 5083720, 5592092, 6990115, 11184184, 13980230, 27960460, 55920920]

約数ペア:

[(1, 55920920), (2, 27960460), (4, 13980230), (5, 11184184), (8, 6990115), (10, 5592092), (11, 5083720), (20, 2796046), (22, 2541860), (40, 1398023), (44, 1270930), (55, 1016744), (73, 766040), (88, 635465), (110, 508372), (146, 383020), (220, 254186), (292, 191510), (365, 153208), (440, 127093), (584, 95755), (730, 76604), (803, 69640), (1460, 38302), (1606, 34820), (1741, 32120), (2920, 19151), (3212, 17410), (3482, 16060), (4015, 13928), (6424, 8705), (6964, 8030)]