65078020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{464843}}^1$

素因数の和:464859

約数の個数: 24

約数和(自身を含む): 156187584

約数和(自身を除く): 91109564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 464843, 929686, 1859372, 2324215, 3253901, 4648430, 6507802, 9296860, 13015604, 16269505, 32539010, 65078020]

約数ペア:

[(1, 65078020), (2, 32539010), (4, 16269505), (5, 13015604), (7, 9296860), (10, 6507802), (14, 4648430), (20, 3253901), (28, 2324215), (35, 1859372), (70, 929686), (140, 464843)]