91156220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21601}}^1$

素因数の和:21821

約数の個数: 24

約数和(自身を含む): 192344208

約数和(自身を除く): 101187988

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 21601, 43202, 86404, 108005, 216010, 432020, 4557811, 9115622, 18231244, 22789055, 45578110, 91156220]

約数ペア:

[(1, 91156220), (2, 45578110), (4, 22789055), (5, 18231244), (10, 9115622), (20, 4557811), (211, 432020), (422, 216010), (844, 108005), (1055, 86404), (2110, 43202), (4220, 21601)]