40178940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{669649}}^1$

素因数の和:669661

約数の個数: 24

約数和(自身を含む): 112501200

約数和(自身を除く): 72322260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 669649, 1339298, 2008947, 2678596, 3348245, 4017894, 6696490, 8035788, 10044735, 13392980, 20089470, 40178940]

約数ペア:

[(1, 40178940), (2, 20089470), (3, 13392980), (4, 10044735), (5, 8035788), (6, 6696490), (10, 4017894), (12, 3348245), (15, 2678596), (20, 2008947), (30, 1339298), (60, 669649)]