7132458280

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{278177}}^1$

素因数の和:278829

約数の個数: 32

約数和(自身を含む): 16073124840

約数和(自身を除く): 8940666560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 278177, 556354, 1112708, 1390885, 2225416, 2781770, 5563540, 11127080, 178311457, 356622914, 713245828, 891557285, 1426491656, 1783114570, 3566229140, 7132458280]

約数ペア:

[(1, 7132458280), (2, 3566229140), (4, 1783114570), (5, 1426491656), (8, 891557285), (10, 713245828), (20, 356622914), (40, 178311457), (641, 11127080), (1282, 5563540), (2564, 2781770), (3205, 2225416), (5128, 1390885), (6410, 1112708), (12820, 556354), (25640, 278177)]