2021016040

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{49877}}^1$

素因数の和:50901

約数の個数: 32

約数和(自身を含む): 4551866280

約数和(自身を除く): 2530850240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 4052, 5065, 8104, 10130, 20260, 40520, 49877, 99754, 199508, 249385, 399016, 498770, 997540, 1995080, 50525401, 101050802, 202101604, 252627005, 404203208, 505254010, 1010508020, 2021016040]

約数ペア:

[(1, 2021016040), (2, 1010508020), (4, 505254010), (5, 404203208), (8, 252627005), (10, 202101604), (20, 101050802), (40, 50525401), (1013, 1995080), (2026, 997540), (4052, 498770), (5065, 399016), (8104, 249385), (10130, 199508), (20260, 99754), (40520, 49877)]