2584220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 5468064

約数和(自身を除く): 2883844

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 823, 1570, 1646, 3140, 3292, 4115, 8230, 16460, 129211, 258422, 516844, 646055, 1292110, 2584220]

約数ペア:

[(1, 2584220), (2, 1292110), (4, 646055), (5, 516844), (10, 258422), (20, 129211), (157, 16460), (314, 8230), (628, 4115), (785, 3292), (823, 3140), (1570, 1646)]