78919520

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13331}}^1$

素因数の和:13383

約数の個数: 48

約数和(自身を含む): 191500848

約数和(自身を除く): 112581328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 13331, 26662, 53324, 66655, 106648, 133310, 213296, 266620, 426592, 493247, 533240, 986494, 1066480, 1972988, 2132960, 2466235, 3945976, 4932470, 7891952, 9864940, 15783904, 19729880, 39459760, 78919520]

約数ペア:

[(1, 78919520), (2, 39459760), (4, 19729880), (5, 15783904), (8, 9864940), (10, 7891952), (16, 4932470), (20, 3945976), (32, 2466235), (37, 2132960), (40, 1972988), (74, 1066480), (80, 986494), (148, 533240), (160, 493247), (185, 426592), (296, 266620), (370, 213296), (592, 133310), (740, 106648), (1184, 66655), (1480, 53324), (2960, 26662), (5920, 13331)]