2019730040

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{80021}}^1$

素因数の和:80663

約数の個数: 32

約数和(自身を含む): 4551651360

約数和(自身を除く): 2531921320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 80021, 160042, 320084, 400105, 640168, 800210, 1600420, 3200840, 50493251, 100986502, 201973004, 252466255, 403946008, 504932510, 1009865020, 2019730040]

約数ペア:

[(1, 2019730040), (2, 1009865020), (4, 504932510), (5, 403946008), (8, 252466255), (10, 201973004), (20, 100986502), (40, 50493251), (631, 3200840), (1262, 1600420), (2524, 800210), (3155, 640168), (5048, 400105), (6310, 320084), (12620, 160042), (25240, 80021)]