64683760

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1319}}^1$

素因数の和:1945

約数の個数: 40

約数和(自身を含む): 150749280

約数和(自身を除く): 86065520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1226, 1319, 2452, 2638, 3065, 4904, 5276, 6130, 6595, 9808, 10552, 12260, 13190, 21104, 24520, 26380, 49040, 52760, 105520, 808547, 1617094, 3234188, 4042735, 6468376, 8085470, 12936752, 16170940, 32341880, 64683760]

約数ペア:

[(1, 64683760), (2, 32341880), (4, 16170940), (5, 12936752), (8, 8085470), (10, 6468376), (16, 4042735), (20, 3234188), (40, 1617094), (80, 808547), (613, 105520), (1226, 52760), (1319, 49040), (2452, 26380), (2638, 24520), (3065, 21104), (4904, 13190), (5276, 12260), (6130, 10552), (6595, 9808)]