22789720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5227}}^1$

素因数の和:5347

約数の個数: 32

約数和(自身を含む): 51757200

約数和(自身を除く): 28967480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5227, 10454, 20908, 26135, 41816, 52270, 104540, 209080, 569743, 1139486, 2278972, 2848715, 4557944, 5697430, 11394860, 22789720]

約数ペア:

[(1, 22789720), (2, 11394860), (4, 5697430), (5, 4557944), (8, 2848715), (10, 2278972), (20, 1139486), (40, 569743), (109, 209080), (218, 104540), (436, 52270), (545, 41816), (872, 26135), (1090, 20908), (2180, 10454), (4360, 5227)]