27657340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19477}}^1$

素因数の和:19557

約数の個数: 24

約数和(自身を含む): 58901472

約数和(自身を除く): 31244132

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 19477, 38954, 77908, 97385, 194770, 389540, 1382867, 2765734, 5531468, 6914335, 13828670, 27657340]

約数ペア:

[(1, 27657340), (2, 13828670), (4, 6914335), (5, 5531468), (10, 2765734), (20, 1382867), (71, 389540), (142, 194770), (284, 97385), (355, 77908), (710, 38954), (1420, 19477)]