40490164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 84502656

約数和(自身を除く): 44012492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 997, 1562, 1846, 1994, 3124, 3692, 3988, 10153, 10967, 12961, 20306, 21934, 25922, 40612, 43868, 51844, 70787, 141574, 142571, 283148, 285142, 570284, 778657, 920231, 1557314, 1840462, 3114628, 3680924, 10122541, 20245082, 40490164]

約数ペア:

[(1, 40490164), (2, 20245082), (4, 10122541), (11, 3680924), (13, 3114628), (22, 1840462), (26, 1557314), (44, 920231), (52, 778657), (71, 570284), (142, 285142), (143, 283148), (284, 142571), (286, 141574), (572, 70787), (781, 51844), (923, 43868), (997, 40612), (1562, 25922), (1846, 21934), (1994, 20306), (3124, 12961), (3692, 10967), (3988, 10153)]