164419940

素因数分解:

$2^2\times 5^1\times {\mathrm{1847}}^1\times {\mathrm{4451}}^1$

素因数の和:6307

約数の個数: 24

約数和(自身を含む): 345546432

約数和(自身を除く): 181126492

約数列:

[1, 2, 4, 5, 10, 20, 1847, 3694, 4451, 7388, 8902, 9235, 17804, 18470, 22255, 36940, 44510, 89020, 8220997, 16441994, 32883988, 41104985, 82209970, 164419940]

約数ペア:

[(1, 164419940), (2, 82209970), (4, 41104985), (5, 32883988), (10, 16441994), (20, 8220997), (1847, 89020), (3694, 44510), (4451, 36940), (7388, 22255), (8902, 18470), (9235, 17804)]