81650080

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17597}}^1$

素因数の和:17641

約数の個数: 48

約数和(自身を含む): 199561320

約数和(自身を除く): 117911240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 17597, 35194, 70388, 87985, 140776, 175970, 281552, 351940, 510313, 563104, 703880, 1020626, 1407760, 2041252, 2551565, 2815520, 4082504, 5103130, 8165008, 10206260, 16330016, 20412520, 40825040, 81650080]

約数ペア:

[(1, 81650080), (2, 40825040), (4, 20412520), (5, 16330016), (8, 10206260), (10, 8165008), (16, 5103130), (20, 4082504), (29, 2815520), (32, 2551565), (40, 2041252), (58, 1407760), (80, 1020626), (116, 703880), (145, 563104), (160, 510313), (232, 351940), (290, 281552), (464, 175970), (580, 140776), (928, 87985), (1160, 70388), (2320, 35194), (4640, 17597)]