42642640

素因数分解:

$2^4\times 5^1\times {\mathrm{533033}}^1$

素因数の和:533046

約数の個数: 20

約数和(自身を含む): 99144324

約数和(自身を除く): 56501684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533033, 1066066, 2132132, 2665165, 4264264, 5330330, 8528528, 10660660, 21321320, 42642640]

約数ペア:

[(1, 42642640), (2, 21321320), (4, 10660660), (5, 8528528), (8, 5330330), (10, 4264264), (16, 2665165), (20, 2132132), (40, 1066066), (80, 533033)]