25601875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 36213408

約数和(自身を除く): 10611533

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 137, 299, 325, 575, 625, 685, 1495, 1625, 1781, 2875, 3151, 3425, 7475, 8125, 8905, 14375, 15755, 17125, 37375, 40963, 44525, 78775, 85625, 186875, 204815, 222625, 393875, 1024075, 1113125, 1969375, 5120375, 25601875]

約数ペア:

[(1, 25601875), (5, 5120375), (13, 1969375), (23, 1113125), (25, 1024075), (65, 393875), (115, 222625), (125, 204815), (137, 186875), (299, 85625), (325, 78775), (575, 44525), (625, 40963), (685, 37375), (1495, 17125), (1625, 15755), (1781, 14375), (2875, 8905), (3151, 8125), (3425, 7475)]