65821420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{470153}}^1$

素因数の和:470169

約数の個数: 24

約数和(自身を含む): 157971744

約数和(自身を除く): 92150324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 470153, 940306, 1880612, 2350765, 3291071, 4701530, 6582142, 9403060, 13164284, 16455355, 32910710, 65821420]

約数ペア:

[(1, 65821420), (2, 32910710), (4, 16455355), (5, 13164284), (7, 9403060), (10, 6582142), (14, 4701530), (20, 3291071), (28, 2350765), (35, 1880612), (70, 940306), (140, 470153)]