80406950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1201}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 162760416

約数和(自身を除く): 82353466

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 206, 325, 515, 650, 1030, 1201, 1339, 2402, 2575, 2678, 5150, 6005, 6695, 12010, 13390, 15613, 30025, 31226, 33475, 60050, 66950, 78065, 123703, 156130, 247406, 390325, 618515, 780650, 1237030, 1608139, 3092575, 3216278, 6185150, 8040695, 16081390, 40203475, 80406950]

約数ペア:

[(1, 80406950), (2, 40203475), (5, 16081390), (10, 8040695), (13, 6185150), (25, 3216278), (26, 3092575), (50, 1608139), (65, 1237030), (103, 780650), (130, 618515), (206, 390325), (325, 247406), (515, 156130), (650, 123703), (1030, 78065), (1201, 66950), (1339, 60050), (2402, 33475), (2575, 31226), (2678, 30025), (5150, 15613), (6005, 13390), (6695, 12010)]