138640913440

素因数分解:

$2^5\times 5^1\times {\mathrm{866505709}}^1$

素因数の和:866505724

約数の個数: 24

約数和(自身を含む): 327539158380

約数和(自身を除く): 188898244940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 866505709, 1733011418, 3466022836, 4332528545, 6932045672, 8665057090, 13864091344, 17330114180, 27728182688, 34660228360, 69320456720, 138640913440]

約数ペア:

[(1, 138640913440), (2, 69320456720), (4, 34660228360), (5, 27728182688), (8, 17330114180), (10, 13864091344), (16, 8665057090), (20, 6932045672), (32, 4332528545), (40, 3466022836), (80, 1733011418), (160, 866505709)]