9975380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26251}}^1$

素因数の和:26279

約数の個数: 24

約数和(自身を含む): 22051680

約数和(自身を除く): 12076300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 26251, 52502, 105004, 131255, 262510, 498769, 525020, 997538, 1995076, 2493845, 4987690, 9975380]

約数ペア:

[(1, 9975380), (2, 4987690), (4, 2493845), (5, 1995076), (10, 997538), (19, 525020), (20, 498769), (38, 262510), (76, 131255), (95, 105004), (190, 52502), (380, 26251)]