79999952

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{116279}}^1$

素因数の和:116330

約数の個数: 20

約数和(自身を含む): 158605920

約数和(自身を除く): 78605968

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 116279, 232558, 465116, 930232, 1860464, 4999997, 9999994, 19999988, 39999976, 79999952]

約数ペア:

[(1, 79999952), (2, 39999976), (4, 19999988), (8, 9999994), (16, 4999997), (43, 1860464), (86, 930232), (172, 465116), (344, 232558), (688, 116279)]