80990560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72313}}^1$

素因数の和:72335

約数の個数: 48

約数和(自身を含む): 218677536

約数和(自身を除く): 137686976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72313, 144626, 289252, 361565, 506191, 578504, 723130, 1012382, 1157008, 1446260, 2024764, 2314016, 2530955, 2892520, 4049528, 5061910, 5785040, 8099056, 10123820, 11570080, 16198112, 20247640, 40495280, 80990560]

約数ペア:

[(1, 80990560), (2, 40495280), (4, 20247640), (5, 16198112), (7, 11570080), (8, 10123820), (10, 8099056), (14, 5785040), (16, 5061910), (20, 4049528), (28, 2892520), (32, 2530955), (35, 2314016), (40, 2024764), (56, 1446260), (70, 1157008), (80, 1012382), (112, 723130), (140, 578504), (160, 506191), (224, 361565), (280, 289252), (560, 144626), (1120, 72313)]