1961875

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 20

約数和(自身を含む): 2542936

約数和(自身を除く): 581061

約数列:

[1, 5, 25, 43, 73, 125, 215, 365, 625, 1075, 1825, 3139, 5375, 9125, 15695, 26875, 45625, 78475, 392375, 1961875]

約数ペア:

[(1, 1961875), (5, 392375), (25, 78475), (43, 45625), (73, 26875), (125, 15695), (215, 9125), (365, 5375), (625, 3139), (1075, 1825)]