54351875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 74976000

約数和(自身を除く): 20624125

約数列:

[1, 5, 19, 23, 25, 95, 115, 125, 199, 437, 475, 575, 625, 995, 2185, 2375, 2875, 3781, 4577, 4975, 10925, 11875, 14375, 18905, 22885, 24875, 54625, 86963, 94525, 114425, 124375, 273125, 434815, 472625, 572125, 2174075, 2363125, 2860625, 10870375, 54351875]

約数ペア:

[(1, 54351875), (5, 10870375), (19, 2860625), (23, 2363125), (25, 2174075), (95, 572125), (115, 472625), (125, 434815), (199, 273125), (437, 124375), (475, 114425), (575, 94525), (625, 86963), (995, 54625), (2185, 24875), (2375, 22885), (2875, 18905), (3781, 14375), (4577, 11875), (4975, 10925)]