256033760

素因数分解:

$2^5\times 5^1\times {\mathrm{1600211}}^1$

素因数の和:1600226

約数の個数: 24

約数和(自身を含む): 604880136

約数和(自身を除く): 348846376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1600211, 3200422, 6400844, 8001055, 12801688, 16002110, 25603376, 32004220, 51206752, 64008440, 128016880, 256033760]

約数ペア:

[(1, 256033760), (2, 128016880), (4, 64008440), (5, 51206752), (8, 32004220), (10, 25603376), (16, 16002110), (20, 12801688), (32, 8001055), (40, 6400844), (80, 3200422), (160, 1600211)]