66869890

素因数分解:

$2^1\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{5441}}^1$

素因数の和:6677

約数の個数: 16

約数和(自身を含む): 120485880

約数和(自身を除く): 53615990

約数列:

[1, 2, 5, 10, 1229, 2458, 5441, 6145, 10882, 12290, 27205, 54410, 6686989, 13373978, 33434945, 66869890]

約数ペア:

[(1, 66869890), (2, 33434945), (5, 13373978), (10, 6686989), (1229, 54410), (2458, 27205), (5441, 12290), (6145, 10882)]