39012880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15731}}^1$

素因数の和:15775

約数の個数: 40

約数和(自身を含む): 93636864

約数和(自身を除く): 54623984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15731, 31462, 62924, 78655, 125848, 157310, 251696, 314620, 487661, 629240, 975322, 1258480, 1950644, 2438305, 3901288, 4876610, 7802576, 9753220, 19506440, 39012880]

約数ペア:

[(1, 39012880), (2, 19506440), (4, 9753220), (5, 7802576), (8, 4876610), (10, 3901288), (16, 2438305), (20, 1950644), (31, 1258480), (40, 975322), (62, 629240), (80, 487661), (124, 314620), (155, 251696), (248, 157310), (310, 125848), (496, 78655), (620, 62924), (1240, 31462), (2480, 15731)]