77183980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{12409}}^1$

素因数の和:12729

約数の個数: 24

約数和(自身を含む): 162620640

約数和(自身を除く): 85436660

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 12409, 24818, 49636, 62045, 124090, 248180, 3859199, 7718398, 15436796, 19295995, 38591990, 77183980]

約数ペア:

[(1, 77183980), (2, 38591990), (4, 19295995), (5, 15436796), (10, 7718398), (20, 3859199), (311, 248180), (622, 124090), (1244, 62045), (1555, 49636), (3110, 24818), (6220, 12409)]