84489940

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{9623}}^1$

素因数の和:10071

約数の個数: 24

約数和(自身を含む): 177851520

約数和(自身を除く): 93361580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 9623, 19246, 38492, 48115, 96230, 192460, 4224497, 8448994, 16897988, 21122485, 42244970, 84489940]

約数ペア:

[(1, 84489940), (2, 42244970), (4, 21122485), (5, 16897988), (10, 8448994), (20, 4224497), (439, 192460), (878, 96230), (1756, 48115), (2195, 38492), (4390, 19246), (8780, 9623)]