987130640

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{115319}}^1$

素因数の和:115439

約数の個数: 40

約数和(自身を含む): 2316548160

約数和(自身を除く): 1329417520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 115319, 230638, 461276, 576595, 922552, 1153190, 1845104, 2306380, 4612760, 9225520, 12339133, 24678266, 49356532, 61695665, 98713064, 123391330, 197426128, 246782660, 493565320, 987130640]

約数ペア:

[(1, 987130640), (2, 493565320), (4, 246782660), (5, 197426128), (8, 123391330), (10, 98713064), (16, 61695665), (20, 49356532), (40, 24678266), (80, 12339133), (107, 9225520), (214, 4612760), (428, 2306380), (535, 1845104), (856, 1153190), (1070, 922552), (1712, 576595), (2140, 461276), (4280, 230638), (8560, 115319)]