38967640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13721}}^1$

素因数の和:13803

約数の個数: 32

約数和(自身を含む): 88918560

約数和(自身を除く): 49950920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13721, 27442, 54884, 68605, 109768, 137210, 274420, 548840, 974191, 1948382, 3896764, 4870955, 7793528, 9741910, 19483820, 38967640]

約数ペア:

[(1, 38967640), (2, 19483820), (4, 9741910), (5, 7793528), (8, 4870955), (10, 3896764), (20, 1948382), (40, 974191), (71, 548840), (142, 274420), (284, 137210), (355, 109768), (568, 68605), (710, 54884), (1420, 27442), (2840, 13721)]