26140520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13337}}^1$

素因数の和:13362

約数の個数: 48

約数和(自身を含む): 68423940

約数和(自身を除く): 42283420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13337, 26674, 53348, 66685, 93359, 106696, 133370, 186718, 266740, 373436, 466795, 533480, 653513, 746872, 933590, 1307026, 1867180, 2614052, 3267565, 3734360, 5228104, 6535130, 13070260, 26140520]

約数ペア:

[(1, 26140520), (2, 13070260), (4, 6535130), (5, 5228104), (7, 3734360), (8, 3267565), (10, 2614052), (14, 1867180), (20, 1307026), (28, 933590), (35, 746872), (40, 653513), (49, 533480), (56, 466795), (70, 373436), (98, 266740), (140, 186718), (196, 133370), (245, 106696), (280, 93359), (392, 66685), (490, 53348), (980, 26674), (1960, 13337)]