64240820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{458863}}^1$

素因数の和:458879

約数の個数: 24

約数和(自身を含む): 154178304

約数和(自身を除く): 89937484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 458863, 917726, 1835452, 2294315, 3212041, 4588630, 6424082, 9177260, 12848164, 16060205, 32120410, 64240820]

約数ペア:

[(1, 64240820), (2, 32120410), (4, 16060205), (5, 12848164), (7, 9177260), (10, 6424082), (14, 4588630), (20, 3212041), (28, 2294315), (35, 1835452), (70, 917726), (140, 458863)]