40944008

素因数分解:

$2^3\times 7^2\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 90031500

約数和(自身を除く): 49087492

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 149, 196, 298, 392, 596, 701, 1043, 1192, 1402, 2086, 2804, 4172, 4907, 5608, 7301, 8344, 9814, 14602, 19628, 29204, 34349, 39256, 58408, 68698, 104449, 137396, 208898, 274792, 417796, 731143, 835592, 1462286, 2924572, 5118001, 5849144, 10236002, 20472004, 40944008]

約数ペア:

[(1, 40944008), (2, 20472004), (4, 10236002), (7, 5849144), (8, 5118001), (14, 2924572), (28, 1462286), (49, 835592), (56, 731143), (98, 417796), (149, 274792), (196, 208898), (298, 137396), (392, 104449), (596, 68698), (701, 58408), (1043, 39256), (1192, 34349), (1402, 29204), (2086, 19628), (2804, 14602), (4172, 9814), (4907, 8344), (5608, 7301)]