25360550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 49215600

約数和(自身を除く): 23855050

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 89, 139, 178, 205, 278, 410, 445, 695, 890, 1025, 1390, 2050, 2225, 3475, 3649, 4450, 5699, 6950, 7298, 11398, 12371, 18245, 24742, 28495, 36490, 56990, 61855, 91225, 123710, 142475, 182450, 284950, 309275, 507211, 618550, 1014422, 2536055, 5072110, 12680275, 25360550]

約数ペア:

[(1, 25360550), (2, 12680275), (5, 5072110), (10, 2536055), (25, 1014422), (41, 618550), (50, 507211), (82, 309275), (89, 284950), (139, 182450), (178, 142475), (205, 123710), (278, 91225), (410, 61855), (445, 56990), (695, 36490), (890, 28495), (1025, 24742), (1390, 18245), (2050, 12371), (2225, 11398), (3475, 7298), (3649, 6950), (4450, 5699)]