72135580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{327889}}^1$

素因数の和:327909

約数の個数: 24

約数和(自身を含む): 165256560

約数和(自身を除く): 93120980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 327889, 655778, 1311556, 1639445, 3278890, 3606779, 6557780, 7213558, 14427116, 18033895, 36067790, 72135580]

約数ペア:

[(1, 72135580), (2, 36067790), (4, 18033895), (5, 14427116), (10, 7213558), (11, 6557780), (20, 3606779), (22, 3278890), (44, 1639445), (55, 1311556), (110, 655778), (220, 327889)]