66709940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{859}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 153437760

約数和(自身を除く): 86727820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 859, 1412, 1718, 1765, 3436, 3530, 3883, 4295, 7060, 7766, 8590, 9449, 15532, 17180, 18898, 19415, 37796, 38830, 47245, 77660, 94490, 188980, 303227, 606454, 1212908, 1516135, 3032270, 3335497, 6064540, 6670994, 13341988, 16677485, 33354970, 66709940]

約数ペア:

[(1, 66709940), (2, 33354970), (4, 16677485), (5, 13341988), (10, 6670994), (11, 6064540), (20, 3335497), (22, 3032270), (44, 1516135), (55, 1212908), (110, 606454), (220, 303227), (353, 188980), (706, 94490), (859, 77660), (1412, 47245), (1718, 38830), (1765, 37796), (3436, 19415), (3530, 18898), (3883, 17180), (4295, 15532), (7060, 9449), (7766, 8590)]