4027940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28771}}^1$

素因数の和:28787

約数の個数: 24

約数和(自身を含む): 9667392

約数和(自身を除く): 5639452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28771, 57542, 115084, 143855, 201397, 287710, 402794, 575420, 805588, 1006985, 2013970, 4027940]

約数ペア:

[(1, 4027940), (2, 2013970), (4, 1006985), (5, 805588), (7, 575420), (10, 402794), (14, 287710), (20, 201397), (28, 143855), (35, 115084), (70, 57542), (140, 28771)]