78850340

素因数分解:

$2^2\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{2971}}^1$

素因数の和:4307

約数の個数: 24

約数和(自身を含む): 165766272

約数和(自身を除く): 86915932

約数列:

[1, 2, 4, 5, 10, 20, 1327, 2654, 2971, 5308, 5942, 6635, 11884, 13270, 14855, 26540, 29710, 59420, 3942517, 7885034, 15770068, 19712585, 39425170, 78850340]

約数ペア:

[(1, 78850340), (2, 39425170), (4, 19712585), (5, 15770068), (10, 7885034), (20, 3942517), (1327, 59420), (2654, 29710), (2971, 26540), (5308, 14855), (5942, 13270), (6635, 11884)]