80803240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288583}}^1$

素因数の和:288601

約数の個数: 32

約数和(自身を含む): 207780480

約数和(自身を除く): 126977240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288583, 577166, 1154332, 1442915, 2020081, 2308664, 2885830, 4040162, 5771660, 8080324, 10100405, 11543320, 16160648, 20200810, 40401620, 80803240]

約数ペア:

[(1, 80803240), (2, 40401620), (4, 20200810), (5, 16160648), (7, 11543320), (8, 10100405), (10, 8080324), (14, 5771660), (20, 4040162), (28, 2885830), (35, 2308664), (40, 2020081), (56, 1442915), (70, 1154332), (140, 577166), (280, 288583)]