165236420

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{21799}}^1$

素因数の和:22187

約数の個数: 24

約数和(自身を含む): 347928000

約数和(自身を除く): 182691580

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 21799, 43598, 87196, 108995, 217990, 435980, 8261821, 16523642, 33047284, 41309105, 82618210, 165236420]

約数ペア:

[(1, 165236420), (2, 82618210), (4, 41309105), (5, 33047284), (10, 16523642), (20, 8261821), (379, 435980), (758, 217990), (1516, 108995), (1895, 87196), (3790, 43598), (7580, 21799)]