200802920

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7759}}^1$

素因数の和:8417

約数の個数: 32

約数和(自身を含む): 452563200

約数和(自身を除く): 251760280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 7759, 12940, 15518, 25880, 31036, 38795, 62072, 77590, 155180, 310360, 5020073, 10040146, 20080292, 25100365, 40160584, 50200730, 100401460, 200802920]

約数ペア:

[(1, 200802920), (2, 100401460), (4, 50200730), (5, 40160584), (8, 25100365), (10, 20080292), (20, 10040146), (40, 5020073), (647, 310360), (1294, 155180), (2588, 77590), (3235, 62072), (5176, 38795), (6470, 31036), (7759, 25880), (12940, 15518)]