85840570

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 156930048

約数和(自身を除く): 71089478

約数列:

[1, 2, 5, 10, 127, 254, 257, 263, 514, 526, 635, 1270, 1285, 1315, 2570, 2630, 32639, 33401, 65278, 66802, 67591, 135182, 163195, 167005, 326390, 334010, 337955, 675910, 8584057, 17168114, 42920285, 85840570]

約数ペア:

[(1, 85840570), (2, 42920285), (5, 17168114), (10, 8584057), (127, 675910), (254, 337955), (257, 334010), (263, 326390), (514, 167005), (526, 163195), (635, 135182), (1270, 67591), (1285, 66802), (1315, 65278), (2570, 33401), (2630, 32639)]