2023591880

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{256801}}^1$

素因数の和:257009

約数の個数: 32

約数和(自身を含む): 4576211640

約数和(自身を除く): 2552619760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 256801, 513602, 1027204, 1284005, 2054408, 2568010, 5136020, 10272040, 50589797, 101179594, 202359188, 252948985, 404718376, 505897970, 1011795940, 2023591880]

約数ペア:

[(1, 2023591880), (2, 1011795940), (4, 505897970), (5, 404718376), (8, 252948985), (10, 202359188), (20, 101179594), (40, 50589797), (197, 10272040), (394, 5136020), (788, 2568010), (985, 2054408), (1576, 1284005), (1970, 1027204), (3940, 513602), (7880, 256801)]