65879440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1$

素因数の和:1808

約数の個数: 80

約数和(自身を含む): 171078336

約数和(自身を除く): 105198896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1741, 1892, 2365, 3440, 3482, 3784, 4730, 6964, 7568, 8705, 9460, 13928, 17410, 18920, 19151, 27856, 34820, 37840, 38302, 69640, 74863, 76604, 95755, 139280, 149726, 153208, 191510, 299452, 306416, 374315, 383020, 598904, 748630, 766040, 823493, 1197808, 1497260, 1532080, 1646986, 2994520, 3293972, 4117465, 5989040, 6587944, 8234930, 13175888, 16469860, 32939720, 65879440]

約数ペア:

[(1, 65879440), (2, 32939720), (4, 16469860), (5, 13175888), (8, 8234930), (10, 6587944), (11, 5989040), (16, 4117465), (20, 3293972), (22, 2994520), (40, 1646986), (43, 1532080), (44, 1497260), (55, 1197808), (80, 823493), (86, 766040), (88, 748630), (110, 598904), (172, 383020), (176, 374315), (215, 306416), (220, 299452), (344, 191510), (430, 153208), (440, 149726), (473, 139280), (688, 95755), (860, 76604), (880, 74863), (946, 69640), (1720, 38302), (1741, 37840), (1892, 34820), (2365, 27856), (3440, 19151), (3482, 18920), (3784, 17410), (4730, 13928), (6964, 9460), (7568, 8705)]