51965860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 112896000

約数和(自身を除く): 60930140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 499, 508, 635, 820, 998, 1270, 1996, 2495, 2540, 4990, 5207, 9980, 10414, 20459, 20828, 26035, 40918, 52070, 63373, 81836, 102295, 104140, 126746, 204590, 253492, 316865, 409180, 633730, 1267460, 2598293, 5196586, 10393172, 12991465, 25982930, 51965860]

約数ペア:

[(1, 51965860), (2, 25982930), (4, 12991465), (5, 10393172), (10, 5196586), (20, 2598293), (41, 1267460), (82, 633730), (127, 409180), (164, 316865), (205, 253492), (254, 204590), (410, 126746), (499, 104140), (508, 102295), (635, 81836), (820, 63373), (998, 52070), (1270, 40918), (1996, 26035), (2495, 20828), (2540, 20459), (4990, 10414), (5207, 9980)]