87910460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{977}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 202093920

約数和(自身を除く): 114183460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 977, 1636, 1954, 2045, 3908, 4090, 4499, 4885, 8180, 8998, 9770, 10747, 17996, 19540, 21494, 22495, 42988, 44990, 53735, 89980, 107470, 214940, 399593, 799186, 1598372, 1997965, 3995930, 4395523, 7991860, 8791046, 17582092, 21977615, 43955230, 87910460]

約数ペア:

[(1, 87910460), (2, 43955230), (4, 21977615), (5, 17582092), (10, 8791046), (11, 7991860), (20, 4395523), (22, 3995930), (44, 1997965), (55, 1598372), (110, 799186), (220, 399593), (409, 214940), (818, 107470), (977, 89980), (1636, 53735), (1954, 44990), (2045, 42988), (3908, 22495), (4090, 21494), (4499, 19540), (4885, 17996), (8180, 10747), (8998, 9770)]