51245080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31247}}^1$

素因数の和:31299

約数の個数: 32

約数和(自身を含む): 118117440

約数和(自身を除く): 66872360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 31247, 62494, 124988, 156235, 249976, 312470, 624940, 1249880, 1281127, 2562254, 5124508, 6405635, 10249016, 12811270, 25622540, 51245080]

約数ペア:

[(1, 51245080), (2, 25622540), (4, 12811270), (5, 10249016), (8, 6405635), (10, 5124508), (20, 2562254), (40, 1281127), (41, 1249880), (82, 624940), (164, 312470), (205, 249976), (328, 156235), (410, 124988), (820, 62494), (1640, 31247)]