202075960

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10289}}^1$

素因数の和:10791

約数の個数: 32

約数和(自身を含む): 455641200

約数和(自身を除く): 253565240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 10289, 19640, 20578, 41156, 51445, 82312, 102890, 205780, 411560, 5051899, 10103798, 20207596, 25259495, 40415192, 50518990, 101037980, 202075960]

約数ペア:

[(1, 202075960), (2, 101037980), (4, 50518990), (5, 40415192), (8, 25259495), (10, 20207596), (20, 10103798), (40, 5051899), (491, 411560), (982, 205780), (1964, 102890), (2455, 82312), (3928, 51445), (4910, 41156), (9820, 20578), (10289, 19640)]