16780040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22079}}^1$

素因数の和:22109

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 22963960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 22079, 44158, 88316, 110395, 176632, 220790, 419501, 441580, 839002, 883160, 1678004, 2097505, 3356008, 4195010, 8390020, 16780040]

約数ペア:

[(1, 16780040), (2, 8390020), (4, 4195010), (5, 3356008), (8, 2097505), (10, 1678004), (19, 883160), (20, 839002), (38, 441580), (40, 419501), (76, 220790), (95, 176632), (152, 110395), (190, 88316), (380, 44158), (760, 22079)]