81562210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281249}}^1$

素因数の和:281285

約数の個数: 16

約数和(自身を含む): 151875000

約数和(自身を除く): 70312790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 281249, 562498, 1406245, 2812490, 8156221, 16312442, 40781105, 81562210]

約数ペア:

[(1, 81562210), (2, 40781105), (5, 16312442), (10, 8156221), (29, 2812490), (58, 1406245), (145, 562498), (290, 281249)]