78830420

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{3593}}^1$

素因数の和:4699

約数の個数: 24

約数和(自身を含む): 165740904

約数和(自身を除く): 86910484

約数列:

[1, 2, 4, 5, 10, 20, 1097, 2194, 3593, 4388, 5485, 7186, 10970, 14372, 17965, 21940, 35930, 71860, 3941521, 7883042, 15766084, 19707605, 39415210, 78830420]

約数ペア:

[(1, 78830420), (2, 39415210), (4, 19707605), (5, 15766084), (10, 7883042), (20, 3941521), (1097, 71860), (2194, 35930), (3593, 21940), (4388, 17965), (5485, 14372), (7186, 10970)]