56881480

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2719}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 128275200

約数和(自身を除く): 71393720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 2719, 4184, 5230, 5438, 10460, 10876, 13595, 20920, 21752, 27190, 54380, 108760, 1422037, 2844074, 5688148, 7110185, 11376296, 14220370, 28440740, 56881480]

約数ペア:

[(1, 56881480), (2, 28440740), (4, 14220370), (5, 11376296), (8, 7110185), (10, 5688148), (20, 2844074), (40, 1422037), (523, 108760), (1046, 54380), (2092, 27190), (2615, 21752), (2719, 20920), (4184, 13595), (5230, 10876), (5438, 10460)]