164236480

素因数分解:

$2^6\times 5^1\times {\mathrm{513239}}^1$

素因数の和:513256

約数の個数: 28

約数和(自身を含む): 391088880

約数和(自身を除く): 226852400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 513239, 1026478, 2052956, 2566195, 4105912, 5132390, 8211824, 10264780, 16423648, 20529560, 32847296, 41059120, 82118240, 164236480]

約数ペア:

[(1, 164236480), (2, 82118240), (4, 41059120), (5, 32847296), (8, 20529560), (10, 16423648), (16, 10264780), (20, 8211824), (32, 5132390), (40, 4105912), (64, 2566195), (80, 2052956), (160, 1026478), (320, 513239)]