133308880

素因数分解:

$2^4\times 5^1\times {\mathrm{1666361}}^1$

素因数の和:1666374

約数の個数: 20

約数和(自身を含む): 309943332

約数和(自身を除く): 176634452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1666361, 3332722, 6665444, 8331805, 13330888, 16663610, 26661776, 33327220, 66654440, 133308880]

約数ペア:

[(1, 133308880), (2, 66654440), (4, 33327220), (5, 26661776), (8, 16663610), (10, 13330888), (16, 8331805), (20, 6665444), (40, 3332722), (80, 1666361)]