77892880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74897}}^1$

素因数の和:74923

約数の個数: 40

約数和(自身を含む): 195034392

約数和(自身を除く): 117141512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74897, 149794, 299588, 374485, 599176, 748970, 973661, 1198352, 1497940, 1947322, 2995880, 3894644, 4868305, 5991760, 7789288, 9736610, 15578576, 19473220, 38946440, 77892880]

約数ペア:

[(1, 77892880), (2, 38946440), (4, 19473220), (5, 15578576), (8, 9736610), (10, 7789288), (13, 5991760), (16, 4868305), (20, 3894644), (26, 2995880), (40, 1947322), (52, 1497940), (65, 1198352), (80, 973661), (104, 748970), (130, 599176), (208, 374485), (260, 299588), (520, 149794), (1040, 74897)]