19840375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 26477568

約数和(自身を除く): 6637193

約数列:

[1, 5, 23, 25, 67, 103, 115, 125, 335, 515, 575, 1541, 1675, 2369, 2575, 2875, 6901, 7705, 8375, 11845, 12875, 34505, 38525, 59225, 158723, 172525, 192625, 296125, 793615, 862625, 3968075, 19840375]

約数ペア:

[(1, 19840375), (5, 3968075), (23, 862625), (25, 793615), (67, 296125), (103, 192625), (115, 172525), (125, 158723), (335, 59225), (515, 38525), (575, 34505), (1541, 12875), (1675, 11845), (2369, 8375), (2575, 7705), (2875, 6901)]