19832500

素因数分解:

$2^2\times 5^4\times {\mathrm{7933}}^1$

素因数の和:7957

約数の個数: 30

約数和(自身を含む): 43375178

約数和(自身を除く): 23542678

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 7933, 15866, 31732, 39665, 79330, 158660, 198325, 396650, 793300, 991625, 1983250, 3966500, 4958125, 9916250, 19832500]

約数ペア:

[(1, 19832500), (2, 9916250), (4, 4958125), (5, 3966500), (10, 1983250), (20, 991625), (25, 793300), (50, 396650), (100, 198325), (125, 158660), (250, 79330), (500, 39665), (625, 31732), (1250, 15866), (2500, 7933)]