220185580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{268519}}^1$

素因数の和:268569

約数の個数: 24

約数和(自身を含む): 473669280

約数和(自身を除く): 253483700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 268519, 537038, 1074076, 1342595, 2685190, 5370380, 11009279, 22018558, 44037116, 55046395, 110092790, 220185580]

約数ペア:

[(1, 220185580), (2, 110092790), (4, 55046395), (5, 44037116), (10, 22018558), (20, 11009279), (41, 5370380), (82, 2685190), (164, 1342595), (205, 1074076), (410, 537038), (820, 268519)]