2016564280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{309289}}^1$

素因数の和:309463

約数の個数: 32

約数和(自身を含む): 4565120400

約数和(自身を除く): 2548556120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 309289, 618578, 1237156, 1546445, 2474312, 3092890, 6185780, 12371560, 50414107, 100828214, 201656428, 252070535, 403312856, 504141070, 1008282140, 2016564280]

約数ペア:

[(1, 2016564280), (2, 1008282140), (4, 504141070), (5, 403312856), (8, 252070535), (10, 201656428), (20, 100828214), (40, 50414107), (163, 12371560), (326, 6185780), (652, 3092890), (815, 2474312), (1304, 1546445), (1630, 1237156), (3260, 618578), (6520, 309289)]