57553540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 132922944

約数和(自身を除く): 75369404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 1997, 2620, 2882, 3994, 5764, 7205, 7988, 9985, 14410, 19970, 21967, 28820, 39940, 43934, 87868, 109835, 219670, 261607, 439340, 523214, 1046428, 1308035, 2616070, 2877677, 5232140, 5755354, 11510708, 14388385, 28776770, 57553540]

約数ペア:

[(1, 57553540), (2, 28776770), (4, 14388385), (5, 11510708), (10, 5755354), (11, 5232140), (20, 2877677), (22, 2616070), (44, 1308035), (55, 1046428), (110, 523214), (131, 439340), (220, 261607), (262, 219670), (524, 109835), (655, 87868), (1310, 43934), (1441, 39940), (1997, 28820), (2620, 21967), (2882, 19970), (3994, 14410), (5764, 9985), (7205, 7988)]