159306220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{18481}}^1$

素因数の和:18921

約数の個数: 24

約数和(自身を含む): 335337408

約数和(自身を除く): 176031188

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 18481, 36962, 73924, 92405, 184810, 369620, 7965311, 15930622, 31861244, 39826555, 79653110, 159306220]

約数ペア:

[(1, 159306220), (2, 79653110), (4, 39826555), (5, 31861244), (10, 15930622), (20, 7965311), (431, 369620), (862, 184810), (1724, 92405), (2155, 73924), (4310, 36962), (8620, 18481)]