9938750

素因数分解:

$2^1\times 5^4\times {\mathrm{7951}}^1$

素因数の和:7973

約数の個数: 20

約数和(自身を含む): 18631536

約数和(自身を除く): 8692786

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 7951, 15902, 39755, 79510, 198775, 397550, 993875, 1987750, 4969375, 9938750]

約数ペア:

[(1, 9938750), (2, 4969375), (5, 1987750), (10, 993875), (25, 397550), (50, 198775), (125, 79510), (250, 39755), (625, 15902), (1250, 7951)]