2019900875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{5399}}^1$

素因数の和:5528

約数の個数: 32

約数和(自身を含む): 2618179200

約数和(自身を除く): 598278325

約数列:

[1, 5, 25, 41, 73, 125, 205, 365, 1025, 1825, 2993, 5125, 5399, 9125, 14965, 26995, 74825, 134975, 221359, 374125, 394127, 674875, 1106795, 1970635, 5533975, 9853175, 16159207, 27669875, 49265875, 80796035, 403980175, 2019900875]

約数ペア:

[(1, 2019900875), (5, 403980175), (25, 80796035), (41, 49265875), (73, 27669875), (125, 16159207), (205, 9853175), (365, 5533975), (1025, 1970635), (1825, 1106795), (2993, 674875), (5125, 394127), (5399, 374125), (9125, 221359), (14965, 134975), (26995, 74825)]