8712925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 13124160

約数和(自身を除く): 4411235

約数列:

[1, 5, 13, 17, 19, 25, 65, 83, 85, 95, 221, 247, 323, 325, 415, 425, 475, 1079, 1105, 1235, 1411, 1577, 1615, 2075, 4199, 5395, 5525, 6175, 7055, 7885, 8075, 18343, 20501, 20995, 26809, 26975, 35275, 39425, 91715, 102505, 104975, 134045, 348517, 458575, 512525, 670225, 1742585, 8712925]

約数ペア:

[(1, 8712925), (5, 1742585), (13, 670225), (17, 512525), (19, 458575), (25, 348517), (65, 134045), (83, 104975), (85, 102505), (95, 91715), (221, 39425), (247, 35275), (323, 26975), (325, 26809), (415, 20995), (425, 20501), (475, 18343), (1079, 8075), (1105, 7885), (1235, 7055), (1411, 6175), (1577, 5525), (1615, 5395), (2075, 4199)]