4086640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 9919008

約数和(自身を除く): 5832368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 2221, 4442, 8884, 11105, 17768, 22210, 35536, 44420, 51083, 88840, 102166, 177680, 204332, 255415, 408664, 510830, 817328, 1021660, 2043320, 4086640]

約数ペア:

[(1, 4086640), (2, 2043320), (4, 1021660), (5, 817328), (8, 510830), (10, 408664), (16, 255415), (20, 204332), (23, 177680), (40, 102166), (46, 88840), (80, 51083), (92, 44420), (115, 35536), (184, 22210), (230, 17768), (368, 11105), (460, 8884), (920, 4442), (1840, 2221)]