42821720

素因数分解:

$2^3\times 5^1\times {\mathrm{1070543}}^1$

素因数の和:1070554

約数の個数: 16

約数和(自身を含む): 96348960

約数和(自身を除く): 53527240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1070543, 2141086, 4282172, 5352715, 8564344, 10705430, 21410860, 42821720]

約数ペア:

[(1, 42821720), (2, 21410860), (4, 10705430), (5, 8564344), (8, 5352715), (10, 4282172), (20, 2141086), (40, 1070543)]