66501640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{57329}}^1$

素因数の和:57369

約数の個数: 32

約数和(自身を含む): 154791000

約数和(自身を除く): 88289360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 57329, 114658, 229316, 286645, 458632, 573290, 1146580, 1662541, 2293160, 3325082, 6650164, 8312705, 13300328, 16625410, 33250820, 66501640]

約数ペア:

[(1, 66501640), (2, 33250820), (4, 16625410), (5, 13300328), (8, 8312705), (10, 6650164), (20, 3325082), (29, 2293160), (40, 1662541), (58, 1146580), (116, 573290), (145, 458632), (232, 286645), (290, 229316), (580, 114658), (1160, 57329)]