80372740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{82013}}^1$

素因数の和:82036

約数の個数: 36

約数和(自身を含む): 196341516

約数和(自身を除く): 115968776

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 82013, 164026, 328052, 410065, 574091, 820130, 1148182, 1640260, 2296364, 2870455, 4018637, 5740910, 8037274, 11481820, 16074548, 20093185, 40186370, 80372740]

約数ペア:

[(1, 80372740), (2, 40186370), (4, 20093185), (5, 16074548), (7, 11481820), (10, 8037274), (14, 5740910), (20, 4018637), (28, 2870455), (35, 2296364), (49, 1640260), (70, 1148182), (98, 820130), (140, 574091), (196, 410065), (245, 328052), (490, 164026), (980, 82013)]