38946440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74897}}^1$

素因数の和:74921

約数の個数: 32

約数和(自身を含む): 94371480

約数和(自身を除く): 55425040

約数列:

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

約数ペア:

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