156797888020

素因数分解:

$2^2\times 5^1\times {\mathrm{87977}}^1\times {\mathrm{89113}}^1$

素因数の和:177099

約数の個数: 24

約数和(自身を含む): 329283002664

約数和(自身を除く): 172485114644

約数列:

[1, 2, 4, 5, 10, 20, 87977, 89113, 175954, 178226, 351908, 356452, 439885, 445565, 879770, 891130, 1759540, 1782260, 7839894401, 15679788802, 31359577604, 39199472005, 78398944010, 156797888020]

約数ペア:

[(1, 156797888020), (2, 78398944010), (4, 39199472005), (5, 31359577604), (10, 15679788802), (20, 7839894401), (87977, 1782260), (89113, 1759540), (175954, 891130), (178226, 879770), (351908, 445565), (356452, 439885)]