202193960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{123289}}^1$

素因数の和:123341

約数の個数: 32

約数和(自身を含む): 466036200

約数和(自身を除く): 263842240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 123289, 246578, 493156, 616445, 986312, 1232890, 2465780, 4931560, 5054849, 10109698, 20219396, 25274245, 40438792, 50548490, 101096980, 202193960]

約数ペア:

[(1, 202193960), (2, 101096980), (4, 50548490), (5, 40438792), (8, 25274245), (10, 20219396), (20, 10109698), (40, 5054849), (41, 4931560), (82, 2465780), (164, 1232890), (205, 986312), (328, 616445), (410, 493156), (820, 246578), (1640, 123289)]