208821875

素因数分解:

$5^5\times {\mathrm{19}}^1\times {\mathrm{3517}}^1$

素因数の和:3561

約数の個数: 24

約数和(自身を含む): 274826160

約数和(自身を除く): 66004285

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2375, 3125, 3517, 11875, 17585, 59375, 66823, 87925, 334115, 439625, 1670575, 2198125, 8352875, 10990625, 41764375, 208821875]

約数ペア:

[(1, 208821875), (5, 41764375), (19, 10990625), (25, 8352875), (95, 2198125), (125, 1670575), (475, 439625), (625, 334115), (2375, 87925), (3125, 66823), (3517, 59375), (11875, 17585)]