40490864

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 80939760

約数和(自身を除く): 40448896

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 229, 257, 344, 458, 514, 688, 916, 1028, 1832, 2056, 3664, 4112, 9847, 11051, 19694, 22102, 39388, 44204, 58853, 78776, 88408, 117706, 157552, 176816, 235412, 470824, 941648, 2530679, 5061358, 10122716, 20245432, 40490864]

約数ペア:

[(1, 40490864), (2, 20245432), (4, 10122716), (8, 5061358), (16, 2530679), (43, 941648), (86, 470824), (172, 235412), (229, 176816), (257, 157552), (344, 117706), (458, 88408), (514, 78776), (688, 58853), (916, 44204), (1028, 39388), (1832, 22102), (2056, 19694), (3664, 11051), (4112, 9847)]