66876580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{175991}}^1$

素因数の和:176019

約数の個数: 24

約数和(自身を含む): 147833280

約数和(自身を除く): 80956700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 175991, 351982, 703964, 879955, 1759910, 3343829, 3519820, 6687658, 13375316, 16719145, 33438290, 66876580]

約数ペア:

[(1, 66876580), (2, 33438290), (4, 16719145), (5, 13375316), (10, 6687658), (19, 3519820), (20, 3343829), (38, 1759910), (76, 879955), (95, 703964), (190, 351982), (380, 175991)]