156768320

素因数分解:

$2^6\times 5^1\times {\mathrm{489901}}^1$

素因数の和:489918

約数の個数: 28

約数和(自身を含む): 373305324

約数和(自身を除く): 216537004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 489901, 979802, 1959604, 2449505, 3919208, 4899010, 7838416, 9798020, 15676832, 19596040, 31353664, 39192080, 78384160, 156768320]

約数ペア:

[(1, 156768320), (2, 78384160), (4, 39192080), (5, 31353664), (8, 19596040), (10, 15676832), (16, 9798020), (20, 7838416), (32, 4899010), (40, 3919208), (64, 2449505), (80, 1959604), (160, 979802), (320, 489901)]