56989420

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{4019}}^1$

素因数の和:4737

約数の個数: 24

約数和(自身を含む): 119876400

約数和(自身を除く): 62886980

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 4019, 7090, 8038, 14180, 16076, 20095, 40190, 80380, 2849471, 5698942, 11397884, 14247355, 28494710, 56989420]

約数ペア:

[(1, 56989420), (2, 28494710), (4, 14247355), (5, 11397884), (10, 5698942), (20, 2849471), (709, 80380), (1418, 40190), (2836, 20095), (3545, 16076), (4019, 14180), (7090, 8038)]