68756740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3947}}^1$

素因数の和:4036

約数の個数: 48

約数和(自身を含む): 157856832

約数和(自身を除く): 89100092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 3947, 4355, 7894, 8710, 15788, 17420, 19735, 39470, 51311, 78940, 102622, 205244, 256555, 264449, 513110, 528898, 1026220, 1057796, 1322245, 2644490, 3437837, 5288980, 6875674, 13751348, 17189185, 34378370, 68756740]

約数ペア:

[(1, 68756740), (2, 34378370), (4, 17189185), (5, 13751348), (10, 6875674), (13, 5288980), (20, 3437837), (26, 2644490), (52, 1322245), (65, 1057796), (67, 1026220), (130, 528898), (134, 513110), (260, 264449), (268, 256555), (335, 205244), (670, 102622), (871, 78940), (1340, 51311), (1742, 39470), (3484, 19735), (3947, 17420), (4355, 15788), (7894, 8710)]