54542920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 132264000

約数和(自身を除く): 77721080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1669, 1720, 3268, 3338, 4085, 6536, 6676, 8170, 8345, 13352, 16340, 16690, 31711, 32680, 33380, 63422, 66760, 71767, 126844, 143534, 158555, 253688, 287068, 317110, 358835, 574136, 634220, 717670, 1268440, 1363573, 1435340, 2727146, 2870680, 5454292, 6817865, 10908584, 13635730, 27271460, 54542920]

約数ペア:

[(1, 54542920), (2, 27271460), (4, 13635730), (5, 10908584), (8, 6817865), (10, 5454292), (19, 2870680), (20, 2727146), (38, 1435340), (40, 1363573), (43, 1268440), (76, 717670), (86, 634220), (95, 574136), (152, 358835), (172, 317110), (190, 287068), (215, 253688), (344, 158555), (380, 143534), (430, 126844), (760, 71767), (817, 66760), (860, 63422), (1634, 33380), (1669, 32680), (1720, 31711), (3268, 16690), (3338, 16340), (4085, 13352), (6536, 8345), (6676, 8170)]