12037220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 27668928

約数和(自身を除く): 15631708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 691, 871, 1340, 1382, 1742, 2764, 3455, 3484, 4355, 6910, 8710, 8983, 13820, 17420, 17966, 35932, 44915, 46297, 89830, 92594, 179660, 185188, 231485, 462970, 601861, 925940, 1203722, 2407444, 3009305, 6018610, 12037220]

約数ペア:

[(1, 12037220), (2, 6018610), (4, 3009305), (5, 2407444), (10, 1203722), (13, 925940), (20, 601861), (26, 462970), (52, 231485), (65, 185188), (67, 179660), (130, 92594), (134, 89830), (260, 46297), (268, 44915), (335, 35932), (670, 17966), (691, 17420), (871, 13820), (1340, 8983), (1382, 8710), (1742, 6910), (2764, 4355), (3455, 3484)]