25487375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 8208625

約数列:

[1, 5, 25, 29, 79, 89, 125, 145, 395, 445, 725, 1975, 2225, 2291, 2581, 3625, 7031, 9875, 11125, 11455, 12905, 35155, 57275, 64525, 175775, 203899, 286375, 322625, 878875, 1019495, 5097475, 25487375]

約数ペア:

[(1, 25487375), (5, 5097475), (25, 1019495), (29, 878875), (79, 322625), (89, 286375), (125, 203899), (145, 175775), (395, 64525), (445, 57275), (725, 35155), (1975, 12905), (2225, 11455), (2291, 11125), (2581, 9875), (3625, 7031)]