4086875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:536

約数の個数: 20

約数和(自身を含む): 5510736

約数和(自身を除く): 1423861

約数列:

[1, 5, 13, 25, 65, 125, 325, 503, 625, 1625, 2515, 6539, 8125, 12575, 32695, 62875, 163475, 314375, 817375, 4086875]

約数ペア:

[(1, 4086875), (5, 817375), (13, 314375), (25, 163475), (65, 62875), (125, 32695), (325, 12575), (503, 8125), (625, 6539), (1625, 2515)]