85540540

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{17747}}^1$

素因数の和:17997

約数の個数: 24

約数和(自身を含む): 180390672

約数和(自身を除く): 94850132

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 17747, 35494, 70988, 88735, 177470, 354940, 4277027, 8554054, 17108108, 21385135, 42770270, 85540540]

約数ペア:

[(1, 85540540), (2, 42770270), (4, 21385135), (5, 17108108), (10, 8554054), (20, 4277027), (241, 354940), (482, 177470), (964, 88735), (1205, 70988), (2410, 35494), (4820, 17747)]