66556240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43787}}^1$

素因数の和:43819

約数の個数: 40

約数和(自身を含む): 162891360

約数和(自身を除く): 96335120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 43787, 87574, 175148, 218935, 350296, 437870, 700592, 831953, 875740, 1663906, 1751480, 3327812, 3502960, 4159765, 6655624, 8319530, 13311248, 16639060, 33278120, 66556240]

約数ペア:

[(1, 66556240), (2, 33278120), (4, 16639060), (5, 13311248), (8, 8319530), (10, 6655624), (16, 4159765), (19, 3502960), (20, 3327812), (38, 1751480), (40, 1663906), (76, 875740), (80, 831953), (95, 700592), (152, 437870), (190, 350296), (304, 218935), (380, 175148), (760, 87574), (1520, 43787)]