40978640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22271}}^1$

素因数の和:22307

約数の個数: 40

約数和(自身を含む): 99422208

約数和(自身を除く): 58443568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 22271, 44542, 89084, 111355, 178168, 222710, 356336, 445420, 512233, 890840, 1024466, 1781680, 2048932, 2561165, 4097864, 5122330, 8195728, 10244660, 20489320, 40978640]

約数ペア:

[(1, 40978640), (2, 20489320), (4, 10244660), (5, 8195728), (8, 5122330), (10, 4097864), (16, 2561165), (20, 2048932), (23, 1781680), (40, 1024466), (46, 890840), (80, 512233), (92, 445420), (115, 356336), (184, 222710), (230, 178168), (368, 111355), (460, 89084), (920, 44542), (1840, 22271)]