66397720

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{10993}}^1$

素因数の和:11155

約数の個数: 32

約数和(自身を含む): 150397920

約数和(自身を除く): 84000200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 10993, 21986, 43972, 54965, 87944, 109930, 219860, 439720, 1659943, 3319886, 6639772, 8299715, 13279544, 16599430, 33198860, 66397720]

約数ペア:

[(1, 66397720), (2, 33198860), (4, 16599430), (5, 13279544), (8, 8299715), (10, 6639772), (20, 3319886), (40, 1659943), (151, 439720), (302, 219860), (604, 109930), (755, 87944), (1208, 54965), (1510, 43972), (3020, 21986), (6040, 10993)]