64349840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27737}}^1$

素因数の和:27779

約数の個数: 40

約数和(自身を含む): 154778040

約数和(自身を除く): 90428200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27737, 55474, 110948, 138685, 221896, 277370, 443792, 554740, 804373, 1109480, 1608746, 2218960, 3217492, 4021865, 6434984, 8043730, 12869968, 16087460, 32174920, 64349840]

約数ペア:

[(1, 64349840), (2, 32174920), (4, 16087460), (5, 12869968), (8, 8043730), (10, 6434984), (16, 4021865), (20, 3217492), (29, 2218960), (40, 1608746), (58, 1109480), (80, 804373), (116, 554740), (145, 443792), (232, 277370), (290, 221896), (464, 138685), (580, 110948), (1160, 55474), (2320, 27737)]