80039940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1333999}}^1$

素因数の和:1334011

約数の個数: 24

約数和(自身を含む): 224112000

約数和(自身を除く): 144072060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1333999, 2667998, 4001997, 5335996, 6669995, 8003994, 13339990, 16007988, 20009985, 26679980, 40019970, 80039940]

約数ペア:

[(1, 80039940), (2, 40019970), (3, 26679980), (4, 20009985), (5, 16007988), (6, 13339990), (10, 8003994), (12, 6669995), (15, 5335996), (20, 4001997), (30, 2667998), (60, 1333999)]