210084940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{808019}}^1$

素因数の和:808041

約数の個数: 24

約数和(自身を含む): 475115760

約数和(自身を除く): 265030820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 808019, 1616038, 3232076, 4040095, 8080190, 10504247, 16160380, 21008494, 42016988, 52521235, 105042470, 210084940]

約数ペア:

[(1, 210084940), (2, 105042470), (4, 52521235), (5, 42016988), (10, 21008494), (13, 16160380), (20, 10504247), (26, 8080190), (52, 4040095), (65, 3232076), (130, 1616038), (260, 808019)]