68708125

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{2339}}^1$

素因数の和:2406

約数の個数: 20

約数和(自身を含む): 87721920

約数和(自身を除く): 19013795

約数列:

[1, 5, 25, 47, 125, 235, 625, 1175, 2339, 5875, 11695, 29375, 58475, 109933, 292375, 549665, 1461875, 2748325, 13741625, 68708125]

約数ペア:

[(1, 68708125), (5, 13741625), (25, 2748325), (47, 1461875), (125, 549665), (235, 292375), (625, 109933), (1175, 58475), (2339, 29375), (5875, 11695)]