40685960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145307}}^1$

素因数の和:145325

約数の個数: 32

約数和(自身を含む): 104621760

約数和(自身を除く): 63935800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145307, 290614, 581228, 726535, 1017149, 1162456, 1453070, 2034298, 2906140, 4068596, 5085745, 5812280, 8137192, 10171490, 20342980, 40685960]

約数ペア:

[(1, 40685960), (2, 20342980), (4, 10171490), (5, 8137192), (7, 5812280), (8, 5085745), (10, 4068596), (14, 2906140), (20, 2034298), (28, 1453070), (35, 1162456), (40, 1017149), (56, 726535), (70, 581228), (140, 290614), (280, 145307)]