55488980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21179}}^1$

素因数の和:21319

約数の個数: 24

約数和(自身を含む): 117421920

約数和(自身を除く): 61932940

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 21179, 42358, 84716, 105895, 211790, 423580, 2774449, 5548898, 11097796, 13872245, 27744490, 55488980]

約数ペア:

[(1, 55488980), (2, 27744490), (4, 13872245), (5, 11097796), (10, 5548898), (20, 2774449), (131, 423580), (262, 211790), (524, 105895), (655, 84716), (1310, 42358), (2620, 21179)]