129392380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{497663}}^1$

素因数の和:497685

約数の個数: 24

約数和(自身を含む): 292626432

約数和(自身を除く): 163234052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 497663, 995326, 1990652, 2488315, 4976630, 6469619, 9953260, 12939238, 25878476, 32348095, 64696190, 129392380]

約数ペア:

[(1, 129392380), (2, 64696190), (4, 32348095), (5, 25878476), (10, 12939238), (13, 9953260), (20, 6469619), (26, 4976630), (52, 2488315), (65, 1990652), (130, 995326), (260, 497663)]