6646960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4373}}^1$

素因数の和:4405

約数の個数: 40

約数和(自身を含む): 16271280

約数和(自身を除く): 9624320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4373, 8746, 17492, 21865, 34984, 43730, 69968, 83087, 87460, 166174, 174920, 332348, 349840, 415435, 664696, 830870, 1329392, 1661740, 3323480, 6646960]

約数ペア:

[(1, 6646960), (2, 3323480), (4, 1661740), (5, 1329392), (8, 830870), (10, 664696), (16, 415435), (19, 349840), (20, 332348), (38, 174920), (40, 166174), (76, 87460), (80, 83087), (95, 69968), (152, 43730), (190, 34984), (304, 21865), (380, 17492), (760, 8746), (1520, 4373)]