12912485840

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{457241}}^1$

素因数の和:457607

約数の個数: 40

約数和(自身を含む): 30106642248

約数和(自身を除く): 17194156408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 14120, 28240, 457241, 914482, 1828964, 2286205, 3657928, 4572410, 7315856, 9144820, 18289640, 36579280, 161406073, 322812146, 645624292, 807030365, 1291248584, 1614060730, 2582497168, 3228121460, 6456242920, 12912485840]

約数ペア:

[(1, 12912485840), (2, 6456242920), (4, 3228121460), (5, 2582497168), (8, 1614060730), (10, 1291248584), (16, 807030365), (20, 645624292), (40, 322812146), (80, 161406073), (353, 36579280), (706, 18289640), (1412, 9144820), (1765, 7315856), (2824, 4572410), (3530, 3657928), (5648, 2286205), (7060, 1828964), (14120, 914482), (28240, 457241)]