38289520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4391}}^1$

素因数の和:4513

約数の個数: 40

約数和(自身を含む): 89860320

約数和(自身を除く): 51570800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4391, 8720, 8782, 17564, 21955, 35128, 43910, 70256, 87820, 175640, 351280, 478619, 957238, 1914476, 2393095, 3828952, 4786190, 7657904, 9572380, 19144760, 38289520]

約数ペア:

[(1, 38289520), (2, 19144760), (4, 9572380), (5, 7657904), (8, 4786190), (10, 3828952), (16, 2393095), (20, 1914476), (40, 957238), (80, 478619), (109, 351280), (218, 175640), (436, 87820), (545, 70256), (872, 43910), (1090, 35128), (1744, 21955), (2180, 17564), (4360, 8782), (4391, 8720)]