1325620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 2822400

約数和(自身を除く): 1496780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 839, 1580, 1678, 3356, 4195, 8390, 16780, 66281, 132562, 265124, 331405, 662810, 1325620]

約数ペア:

[(1, 1325620), (2, 662810), (4, 331405), (5, 265124), (10, 132562), (20, 66281), (79, 16780), (158, 8390), (316, 4195), (395, 3356), (790, 1678), (839, 1580)]