2005057840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{24889}}^1$

素因数の和:24974

約数の個数: 80

約数和(自身を含む): 4999903200

約数和(自身を除く): 2994845360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 265, 304, 380, 424, 530, 760, 848, 1007, 1060, 1520, 2014, 2120, 4028, 4240, 5035, 8056, 10070, 16112, 20140, 24889, 40280, 49778, 80560, 99556, 124445, 199112, 248890, 398224, 472891, 497780, 945782, 995560, 1319117, 1891564, 1991120, 2364455, 2638234, 3783128, 4728910, 5276468, 6595585, 7566256, 9457820, 10552936, 13191170, 18915640, 21105872, 25063223, 26382340, 37831280, 50126446, 52764680, 100252892, 105529360, 125316115, 200505784, 250632230, 401011568, 501264460, 1002528920, 2005057840]

約数ペア:

[(1, 2005057840), (2, 1002528920), (4, 501264460), (5, 401011568), (8, 250632230), (10, 200505784), (16, 125316115), (19, 105529360), (20, 100252892), (38, 52764680), (40, 50126446), (53, 37831280), (76, 26382340), (80, 25063223), (95, 21105872), (106, 18915640), (152, 13191170), (190, 10552936), (212, 9457820), (265, 7566256), (304, 6595585), (380, 5276468), (424, 4728910), (530, 3783128), (760, 2638234), (848, 2364455), (1007, 1991120), (1060, 1891564), (1520, 1319117), (2014, 995560), (2120, 945782), (4028, 497780), (4240, 472891), (5035, 398224), (8056, 248890), (10070, 199112), (16112, 124445), (20140, 99556), (24889, 80560), (40280, 49778)]