66879160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23549}}^1$

素因数の和:23631

約数の個数: 32

約数和(自身を含む): 152604000

約数和(自身を除く): 85724840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23549, 47098, 94196, 117745, 188392, 235490, 470980, 941960, 1671979, 3343958, 6687916, 8359895, 13375832, 16719790, 33439580, 66879160]

約数ペア:

[(1, 66879160), (2, 33439580), (4, 16719790), (5, 13375832), (8, 8359895), (10, 6687916), (20, 3343958), (40, 1671979), (71, 941960), (142, 470980), (284, 235490), (355, 188392), (568, 117745), (710, 94196), (1420, 47098), (2840, 23549)]