73279820

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{9419}}^1$

素因数の和:9817

約数の個数: 24

約数和(自身を含む): 154299600

約数和(自身を除く): 81019780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 9419, 18838, 37676, 47095, 94190, 188380, 3663991, 7327982, 14655964, 18319955, 36639910, 73279820]

約数ペア:

[(1, 73279820), (2, 36639910), (4, 18319955), (5, 14655964), (10, 7327982), (20, 3663991), (389, 188380), (778, 94190), (1556, 47095), (1945, 37676), (3890, 18838), (7780, 9419)]