79530640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142019}}^1$

素因数の和:142039

約数の個数: 40

約数和(自身を含む): 211325760

約数和(自身を除く): 131795120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142019, 284038, 568076, 710095, 994133, 1136152, 1420190, 1988266, 2272304, 2840380, 3976532, 4970665, 5680760, 7953064, 9941330, 11361520, 15906128, 19882660, 39765320, 79530640]

約数ペア:

[(1, 79530640), (2, 39765320), (4, 19882660), (5, 15906128), (7, 11361520), (8, 9941330), (10, 7953064), (14, 5680760), (16, 4970665), (20, 3976532), (28, 2840380), (35, 2272304), (40, 1988266), (56, 1420190), (70, 1136152), (80, 994133), (112, 710095), (140, 568076), (280, 284038), (560, 142019)]