136972760

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{16229}}^1$

素因数の和:16451

約数の個数: 32

約数和(自身を含む): 309668400

約数和(自身を除く): 172695640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 16229, 32458, 64916, 81145, 129832, 162290, 324580, 649160, 3424319, 6848638, 13697276, 17121595, 27394552, 34243190, 68486380, 136972760]

約数ペア:

[(1, 136972760), (2, 68486380), (4, 34243190), (5, 27394552), (8, 17121595), (10, 13697276), (20, 6848638), (40, 3424319), (211, 649160), (422, 324580), (844, 162290), (1055, 129832), (1688, 81145), (2110, 64916), (4220, 32458), (8440, 16229)]