64675040

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9859}}^1$

素因数の和:9915

約数の個数: 48

約数和(自身を含む): 156537360

約数和(自身を除く): 91862320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 9859, 19718, 39436, 49295, 78872, 98590, 157744, 197180, 315488, 394360, 404219, 788720, 808438, 1577440, 1616876, 2021095, 3233752, 4042190, 6467504, 8084380, 12935008, 16168760, 32337520, 64675040]

約数ペア:

[(1, 64675040), (2, 32337520), (4, 16168760), (5, 12935008), (8, 8084380), (10, 6467504), (16, 4042190), (20, 3233752), (32, 2021095), (40, 1616876), (41, 1577440), (80, 808438), (82, 788720), (160, 404219), (164, 394360), (205, 315488), (328, 197180), (410, 157744), (656, 98590), (820, 78872), (1312, 49295), (1640, 39436), (3280, 19718), (6560, 9859)]