31986640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{57119}}^1$

素因数の和:57139

約数の個数: 40

約数和(自身を含む): 84994560

約数和(自身を除く): 53007920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 57119, 114238, 228476, 285595, 399833, 456952, 571190, 799666, 913904, 1142380, 1599332, 1999165, 2284760, 3198664, 3998330, 4569520, 6397328, 7996660, 15993320, 31986640]

約数ペア:

[(1, 31986640), (2, 15993320), (4, 7996660), (5, 6397328), (7, 4569520), (8, 3998330), (10, 3198664), (14, 2284760), (16, 1999165), (20, 1599332), (28, 1142380), (35, 913904), (40, 799666), (56, 571190), (70, 456952), (80, 399833), (112, 285595), (140, 228476), (280, 114238), (560, 57119)]