106781320

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{11971}}^1$

素因数の和:12205

約数の個数: 32

約数和(自身を含む): 241355520

約数和(自身を除く): 134574200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 11971, 23942, 47884, 59855, 95768, 119710, 239420, 478840, 2669533, 5339066, 10678132, 13347665, 21356264, 26695330, 53390660, 106781320]

約数ペア:

[(1, 106781320), (2, 53390660), (4, 26695330), (5, 21356264), (8, 13347665), (10, 10678132), (20, 5339066), (40, 2669533), (223, 478840), (446, 239420), (892, 119710), (1115, 95768), (1784, 59855), (2230, 47884), (4460, 23942), (8920, 11971)]