198452080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80021}}^1$

素因数の和:80065

約数の個数: 40

約数和(自身を含む): 476290944

約数和(自身を除く): 277838864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 80021, 160042, 320084, 400105, 640168, 800210, 1280336, 1600420, 2480651, 3200840, 4961302, 6401680, 9922604, 12403255, 19845208, 24806510, 39690416, 49613020, 99226040, 198452080]

約数ペア:

[(1, 198452080), (2, 99226040), (4, 49613020), (5, 39690416), (8, 24806510), (10, 19845208), (16, 12403255), (20, 9922604), (31, 6401680), (40, 4961302), (62, 3200840), (80, 2480651), (124, 1600420), (155, 1280336), (248, 800210), (310, 640168), (496, 400105), (620, 320084), (1240, 160042), (2480, 80021)]