80563984

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{70919}}^1$

素因数の和:70998

約数の個数: 20

約数和(自身を含む): 158293440

約数和(自身を除く): 77729456

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 70919, 141838, 283676, 567352, 1134704, 5035249, 10070498, 20140996, 40281992, 80563984]

約数ペア:

[(1, 80563984), (2, 40281992), (4, 20140996), (8, 10070498), (16, 5035249), (71, 1134704), (142, 567352), (284, 283676), (568, 141838), (1136, 70919)]