256843010

素因数分解:

$2^1\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{20113}}^1$

素因数の和:21397

約数の個数: 16

約数和(自身を含む): 462702456

約数和(自身を除く): 205859446

約数列:

[1, 2, 5, 10, 1277, 2554, 6385, 12770, 20113, 40226, 100565, 201130, 25684301, 51368602, 128421505, 256843010]

約数ペア:

[(1, 256843010), (2, 128421505), (5, 51368602), (10, 25684301), (1277, 201130), (2554, 100565), (6385, 40226), (12770, 20113)]