9887840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2175

約数の個数: 48

約数和(自身を含む): 24176880

約数和(自身を除く): 14289040

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, 2131, 2320, 4262, 4640, 8524, 10655, 17048, 21310, 34096, 42620, 61799, 68192, 85240, 123598, 170480, 247196, 308995, 340960, 494392, 617990, 988784, 1235980, 1977568, 2471960, 4943920, 9887840]

約数ペア:

[(1, 9887840), (2, 4943920), (4, 2471960), (5, 1977568), (8, 1235980), (10, 988784), (16, 617990), (20, 494392), (29, 340960), (32, 308995), (40, 247196), (58, 170480), (80, 123598), (116, 85240), (145, 68192), (160, 61799), (232, 42620), (290, 34096), (464, 21310), (580, 17048), (928, 10655), (1160, 8524), (2131, 4640), (2320, 4262)]