80898940

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2677}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 170063712

約数和(自身を除く): 89164772

約数列:

[1, 2, 4, 5, 10, 20, 1511, 2677, 3022, 5354, 6044, 7555, 10708, 13385, 15110, 26770, 30220, 53540, 4044947, 8089894, 16179788, 20224735, 40449470, 80898940]

約数ペア:

[(1, 80898940), (2, 40449470), (4, 20224735), (5, 16179788), (10, 8089894), (20, 4044947), (1511, 53540), (2677, 30220), (3022, 26770), (5354, 15110), (6044, 13385), (7555, 10708)]