25726740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32983}}^1$

素因数の和:33008

約数の個数: 48

約数和(自身を含む): 77578368

約数和(自身を除く): 51851628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32983, 65966, 98949, 131932, 164915, 197898, 329830, 395796, 428779, 494745, 659660, 857558, 989490, 1286337, 1715116, 1978980, 2143895, 2572674, 4287790, 5145348, 6431685, 8575580, 12863370, 25726740]

約数ペア:

[(1, 25726740), (2, 12863370), (3, 8575580), (4, 6431685), (5, 5145348), (6, 4287790), (10, 2572674), (12, 2143895), (13, 1978980), (15, 1715116), (20, 1286337), (26, 989490), (30, 857558), (39, 659660), (52, 494745), (60, 428779), (65, 395796), (78, 329830), (130, 197898), (156, 164915), (195, 131932), (260, 98949), (390, 65966), (780, 32983)]