80657320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87671}}^1$

素因数の和:87705

約数の個数: 32

約数和(自身を含む): 189371520

約数和(自身を除く): 108714200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87671, 175342, 350684, 438355, 701368, 876710, 1753420, 2016433, 3506840, 4032866, 8065732, 10082165, 16131464, 20164330, 40328660, 80657320]

約数ペア:

[(1, 80657320), (2, 40328660), (4, 20164330), (5, 16131464), (8, 10082165), (10, 8065732), (20, 4032866), (23, 3506840), (40, 2016433), (46, 1753420), (92, 876710), (115, 701368), (184, 438355), (230, 350684), (460, 175342), (920, 87671)]