80943520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72271}}^1$

素因数の和:72293

約数の個数: 48

約数和(自身を含む): 218550528

約数和(自身を除く): 137607008

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, 72271, 144542, 289084, 361355, 505897, 578168, 722710, 1011794, 1156336, 1445420, 2023588, 2312672, 2529485, 2890840, 4047176, 5058970, 5781680, 8094352, 10117940, 11563360, 16188704, 20235880, 40471760, 80943520]

約数ペア:

[(1, 80943520), (2, 40471760), (4, 20235880), (5, 16188704), (7, 11563360), (8, 10117940), (10, 8094352), (14, 5781680), (16, 5058970), (20, 4047176), (28, 2890840), (32, 2529485), (35, 2312672), (40, 2023588), (56, 1445420), (70, 1156336), (80, 1011794), (112, 722710), (140, 578168), (160, 505897), (224, 361355), (280, 289084), (560, 144542), (1120, 72271)]