65720360

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8513}}^1$

素因数の和:8717

約数の個数: 32

約数和(自身を含む): 148654440

約数和(自身を除く): 82934080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 8513, 17026, 34052, 42565, 68104, 85130, 170260, 340520, 1643009, 3286018, 6572036, 8215045, 13144072, 16430090, 32860180, 65720360]

約数ペア:

[(1, 65720360), (2, 32860180), (4, 16430090), (5, 13144072), (8, 8215045), (10, 6572036), (20, 3286018), (40, 1643009), (193, 340520), (386, 170260), (772, 85130), (965, 68104), (1544, 42565), (1930, 34052), (3860, 17026), (7720, 8513)]