66842240

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1561

約数の個数: 64

約数和(自身を含む): 162155520

約数和(自身を除く): 95313280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 1471, 2272, 2840, 2942, 4544, 5680, 5884, 7355, 9088, 11360, 11768, 14710, 22720, 23536, 29420, 45440, 47072, 58840, 94144, 104441, 117680, 188288, 208882, 235360, 417764, 470720, 522205, 835528, 941440, 1044410, 1671056, 2088820, 3342112, 4177640, 6684224, 8355280, 13368448, 16710560, 33421120, 66842240]

約数ペア:

[(1, 66842240), (2, 33421120), (4, 16710560), (5, 13368448), (8, 8355280), (10, 6684224), (16, 4177640), (20, 3342112), (32, 2088820), (40, 1671056), (64, 1044410), (71, 941440), (80, 835528), (128, 522205), (142, 470720), (160, 417764), (284, 235360), (320, 208882), (355, 188288), (568, 117680), (640, 104441), (710, 94144), (1136, 58840), (1420, 47072), (1471, 45440), (2272, 29420), (2840, 23536), (2942, 22720), (4544, 14710), (5680, 11768), (5884, 11360), (7355, 9088)]