80470340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{36913}}^1$

素因数の和:37031

約数の個数: 24

約数和(自身を含む): 170542680

約数和(自身を除く): 90072340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 36913, 73826, 147652, 184565, 369130, 738260, 4023517, 8047034, 16094068, 20117585, 40235170, 80470340]

約数ペア:

[(1, 80470340), (2, 40235170), (4, 20117585), (5, 16094068), (10, 8047034), (20, 4023517), (109, 738260), (218, 369130), (436, 184565), (545, 147652), (1090, 73826), (2180, 36913)]