20162940280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72010501}}^1$

素因数の和:72010519

約数の個数: 32

約数和(自身を含む): 51847561440

約数和(自身を除く): 31684621160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72010501, 144021002, 288042004, 360052505, 504073507, 576084008, 720105010, 1008147014, 1440210020, 2016294028, 2520367535, 2880420040, 4032588056, 5040735070, 10081470140, 20162940280]

約数ペア:

[(1, 20162940280), (2, 10081470140), (4, 5040735070), (5, 4032588056), (7, 2880420040), (8, 2520367535), (10, 2016294028), (14, 1440210020), (20, 1008147014), (28, 720105010), (35, 576084008), (40, 504073507), (56, 360052505), (70, 288042004), (140, 144021002), (280, 72010501)]