78772880

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2683}}^1$

素因数の和:3063

約数の個数: 40

約数和(自身を含む): 183714432

約数和(自身を除く): 104941552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1835, 2683, 2936, 3670, 5366, 5872, 7340, 10732, 13415, 14680, 21464, 26830, 29360, 42928, 53660, 107320, 214640, 984661, 1969322, 3938644, 4923305, 7877288, 9846610, 15754576, 19693220, 39386440, 78772880]

約数ペア:

[(1, 78772880), (2, 39386440), (4, 19693220), (5, 15754576), (8, 9846610), (10, 7877288), (16, 4923305), (20, 3938644), (40, 1969322), (80, 984661), (367, 214640), (734, 107320), (1468, 53660), (1835, 42928), (2683, 29360), (2936, 26830), (3670, 21464), (5366, 14680), (5872, 13415), (7340, 10732)]