84890360

素因数分解:

$2^3\times 5^1\times {\mathrm{2122259}}^1$

素因数の和:2122270

約数の個数: 16

約数和(自身を含む): 191003400

約数和(自身を除く): 106113040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2122259, 4244518, 8489036, 10611295, 16978072, 21222590, 42445180, 84890360]

約数ペア:

[(1, 84890360), (2, 42445180), (4, 21222590), (5, 16978072), (8, 10611295), (10, 8489036), (20, 4244518), (40, 2122259)]