207865520

素因数分解:

$2^4\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{1627}}^1$

素因数の和:3237

約数の個数: 40

約数和(自身を含む): 483887184

約数和(自身を除く): 276021664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1597, 1627, 3194, 3254, 6388, 6508, 7985, 8135, 12776, 13016, 15970, 16270, 25552, 26032, 31940, 32540, 63880, 65080, 127760, 130160, 2598319, 5196638, 10393276, 12991595, 20786552, 25983190, 41573104, 51966380, 103932760, 207865520]

約数ペア:

[(1, 207865520), (2, 103932760), (4, 51966380), (5, 41573104), (8, 25983190), (10, 20786552), (16, 12991595), (20, 10393276), (40, 5196638), (80, 2598319), (1597, 130160), (1627, 127760), (3194, 65080), (3254, 63880), (6388, 32540), (6508, 31940), (7985, 26032), (8135, 25552), (12776, 16270), (13016, 15970)]