78103620380

素因数分解:

$2^2\times 5^1\times {\mathrm{20563}}^1\times {\mathrm{189913}}^1$

素因数の和:210485

約数の個数: 24

約数和(自身を含む): 164026442832

約数和(自身を除く): 85922822452

約数列:

[1, 2, 4, 5, 10, 20, 20563, 41126, 82252, 102815, 189913, 205630, 379826, 411260, 759652, 949565, 1899130, 3798260, 3905181019, 7810362038, 15620724076, 19525905095, 39051810190, 78103620380]

約数ペア:

[(1, 78103620380), (2, 39051810190), (4, 19525905095), (5, 15620724076), (10, 7810362038), (20, 3905181019), (20563, 3798260), (41126, 1899130), (82252, 949565), (102815, 759652), (189913, 411260), (205630, 379826)]