5138950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1392

約数の個数: 24

約数和(自身を含む): 9686880

約数和(自身を除く): 4547930

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1301, 1975, 2602, 3950, 6505, 13010, 32525, 65050, 102779, 205558, 513895, 1027790, 2569475, 5138950]

約数ペア:

[(1, 5138950), (2, 2569475), (5, 1027790), (10, 513895), (25, 205558), (50, 102779), (79, 65050), (158, 32525), (395, 13010), (790, 6505), (1301, 3950), (1975, 2602)]