66277940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{30971}}^1$

素因数の和:31087

約数の個数: 24

約数和(自身を含む): 140488992

約数和(自身を除く): 74211052

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 30971, 61942, 123884, 154855, 309710, 619420, 3313897, 6627794, 13255588, 16569485, 33138970, 66277940]

約数ペア:

[(1, 66277940), (2, 33138970), (4, 16569485), (5, 13255588), (10, 6627794), (20, 3313897), (107, 619420), (214, 309710), (428, 154855), (535, 123884), (1070, 61942), (2140, 30971)]