1294780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1579}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 2787120

約数和(自身を除く): 1492340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1579, 3158, 6316, 7895, 15790, 31580, 64739, 129478, 258956, 323695, 647390, 1294780]

約数ペア:

[(1, 1294780), (2, 647390), (4, 323695), (5, 258956), (10, 129478), (20, 64739), (41, 31580), (82, 15790), (164, 7895), (205, 6316), (410, 3158), (820, 1579)]