128054540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{376631}}^1$

素因数の和:376657

約数の個数: 24

約数和(自身を含む): 284733792

約数和(自身を除く): 156679252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 376631, 753262, 1506524, 1883155, 3766310, 6402727, 7532620, 12805454, 25610908, 32013635, 64027270, 128054540]

約数ペア:

[(1, 128054540), (2, 64027270), (4, 32013635), (5, 25610908), (10, 12805454), (17, 7532620), (20, 6402727), (34, 3766310), (68, 1883155), (85, 1506524), (170, 753262), (340, 376631)]