15870580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72139}}^1$

素因数の和:72159

約数の個数: 24

約数和(自身を含む): 36358560

約数和(自身を除く): 20487980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72139, 144278, 288556, 360695, 721390, 793529, 1442780, 1587058, 3174116, 3967645, 7935290, 15870580]

約数ペア:

[(1, 15870580), (2, 7935290), (4, 3967645), (5, 3174116), (10, 1587058), (11, 1442780), (20, 793529), (22, 721390), (44, 360695), (55, 288556), (110, 144278), (220, 72139)]