25392575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 36664320

約数和(自身を除く): 11271745

約数列:

[1, 5, 13, 23, 25, 43, 65, 79, 115, 215, 299, 325, 395, 559, 575, 989, 1027, 1075, 1495, 1817, 1975, 2795, 3397, 4945, 5135, 7475, 9085, 12857, 13975, 16985, 23621, 24725, 25675, 44161, 45425, 64285, 78131, 84925, 118105, 220805, 321425, 390655, 590525, 1015703, 1104025, 1953275, 5078515, 25392575]

約数ペア:

[(1, 25392575), (5, 5078515), (13, 1953275), (23, 1104025), (25, 1015703), (43, 590525), (65, 390655), (79, 321425), (115, 220805), (215, 118105), (299, 84925), (325, 78131), (395, 64285), (559, 45425), (575, 44161), (989, 25675), (1027, 24725), (1075, 23621), (1495, 16985), (1817, 13975), (1975, 12857), (2795, 9085), (3397, 7475), (4945, 5135)]