26840255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 37040640

約数和(自身を除く): 10200385

約数列:

[1, 5, 13, 19, 65, 95, 103, 211, 247, 515, 1055, 1235, 1339, 1957, 2743, 4009, 6695, 9785, 13715, 20045, 21733, 25441, 52117, 108665, 127205, 260585, 282529, 412927, 1412645, 2064635, 5368051, 26840255]

約数ペア:

[(1, 26840255), (5, 5368051), (13, 2064635), (19, 1412645), (65, 412927), (95, 282529), (103, 260585), (211, 127205), (247, 108665), (515, 52117), (1055, 25441), (1235, 21733), (1339, 20045), (1957, 13715), (2743, 9785), (4009, 6695)]