8979220

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1669}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 18937800

約数和(自身を除く): 9958580

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 1669, 2690, 3338, 5380, 6676, 8345, 16690, 33380, 448961, 897922, 1795844, 2244805, 4489610, 8979220]

約数ペア:

[(1, 8979220), (2, 4489610), (4, 2244805), (5, 1795844), (10, 897922), (20, 448961), (269, 33380), (538, 16690), (1076, 8345), (1345, 6676), (1669, 5380), (2690, 3338)]