56691560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 76364440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 349, 524, 620, 655, 698, 1048, 1240, 1310, 1396, 1745, 2620, 2792, 3490, 4061, 5240, 6980, 8122, 10819, 13960, 16244, 20305, 21638, 32488, 40610, 43276, 45719, 54095, 81220, 86552, 91438, 108190, 162440, 182876, 216380, 228595, 365752, 432760, 457190, 914380, 1417289, 1828760, 2834578, 5669156, 7086445, 11338312, 14172890, 28345780, 56691560]

約数ペア:

[(1, 56691560), (2, 28345780), (4, 14172890), (5, 11338312), (8, 7086445), (10, 5669156), (20, 2834578), (31, 1828760), (40, 1417289), (62, 914380), (124, 457190), (131, 432760), (155, 365752), (248, 228595), (262, 216380), (310, 182876), (349, 162440), (524, 108190), (620, 91438), (655, 86552), (698, 81220), (1048, 54095), (1240, 45719), (1310, 43276), (1396, 40610), (1745, 32488), (2620, 21638), (2792, 20305), (3490, 16244), (4061, 13960), (5240, 10819), (6980, 8122)]