26290015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 8730785

約数列:

[1, 5, 19, 31, 79, 95, 113, 155, 395, 565, 589, 1501, 2147, 2449, 2945, 3503, 7505, 8927, 10735, 12245, 17515, 44635, 46531, 66557, 169613, 232655, 276737, 332785, 848065, 1383685, 5258003, 26290015]

約数ペア:

[(1, 26290015), (5, 5258003), (19, 1383685), (31, 848065), (79, 332785), (95, 276737), (113, 232655), (155, 169613), (395, 66557), (565, 46531), (589, 44635), (1501, 17515), (2147, 12245), (2449, 10735), (2945, 8927), (3503, 7505)]