65185040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28097}}^1$

素因数の和:28139

約数の個数: 40

約数和(自身を含む): 156786840

約数和(自身を除く): 91601800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28097, 56194, 112388, 140485, 224776, 280970, 449552, 561940, 814813, 1123880, 1629626, 2247760, 3259252, 4074065, 6518504, 8148130, 13037008, 16296260, 32592520, 65185040]

約数ペア:

[(1, 65185040), (2, 32592520), (4, 16296260), (5, 13037008), (8, 8148130), (10, 6518504), (16, 4074065), (20, 3259252), (29, 2247760), (40, 1629626), (58, 1123880), (80, 814813), (116, 561940), (145, 449552), (232, 280970), (290, 224776), (464, 140485), (580, 112388), (1160, 56194), (2320, 28097)]