77725040

素因数分解:

$2^4\times 5^1\times {\mathrm{971563}}^1$

素因数の和:971576

約数の個数: 20

約数和(自身を含む): 180710904

約数和(自身を除く): 102985864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971563, 1943126, 3886252, 4857815, 7772504, 9715630, 15545008, 19431260, 38862520, 77725040]

約数ペア:

[(1, 77725040), (2, 38862520), (4, 19431260), (5, 15545008), (8, 9715630), (10, 7772504), (16, 4857815), (20, 3886252), (40, 1943126), (80, 971563)]