201925880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388319}}^1$

素因数の和:388343

約数の個数: 32

約数和(自身を含む): 489283200

約数和(自身を除く): 287357320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388319, 776638, 1553276, 1941595, 3106552, 3883190, 5048147, 7766380, 10096294, 15532760, 20192588, 25240735, 40385176, 50481470, 100962940, 201925880]

約数ペア:

[(1, 201925880), (2, 100962940), (4, 50481470), (5, 40385176), (8, 25240735), (10, 20192588), (13, 15532760), (20, 10096294), (26, 7766380), (40, 5048147), (52, 3883190), (65, 3106552), (104, 1941595), (130, 1553276), (260, 776638), (520, 388319)]