22318840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5119}}^1$

素因数の和:5239

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 28369160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5119, 10238, 20476, 25595, 40952, 51190, 102380, 204760, 557971, 1115942, 2231884, 2789855, 4463768, 5579710, 11159420, 22318840]

約数ペア:

[(1, 22318840), (2, 11159420), (4, 5579710), (5, 4463768), (8, 2789855), (10, 2231884), (20, 1115942), (40, 557971), (109, 204760), (218, 102380), (436, 51190), (545, 40952), (872, 25595), (1090, 20476), (2180, 10238), (4360, 5119)]