127409840

素因数分解:

$2^4\times 5^1\times {\mathrm{1592623}}^1$

素因数の和:1592636

約数の個数: 20

約数和(自身を含む): 296228064

約数和(自身を除く): 168818224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1592623, 3185246, 6370492, 7963115, 12740984, 15926230, 25481968, 31852460, 63704920, 127409840]

約数ペア:

[(1, 127409840), (2, 63704920), (4, 31852460), (5, 25481968), (8, 15926230), (10, 12740984), (16, 7963115), (20, 6370492), (40, 3185246), (80, 1592623)]