16731220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 39009600

約数和(自身を除く): 22278380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1289, 1298, 2578, 2596, 3245, 5156, 6445, 6490, 12890, 12980, 14179, 25780, 28358, 56716, 70895, 76051, 141790, 152102, 283580, 304204, 380255, 760510, 836561, 1521020, 1673122, 3346244, 4182805, 8365610, 16731220]

約数ペア:

[(1, 16731220), (2, 8365610), (4, 4182805), (5, 3346244), (10, 1673122), (11, 1521020), (20, 836561), (22, 760510), (44, 380255), (55, 304204), (59, 283580), (110, 152102), (118, 141790), (220, 76051), (236, 70895), (295, 56716), (590, 28358), (649, 25780), (1180, 14179), (1289, 12980), (1298, 12890), (2578, 6490), (2596, 6445), (3245, 5156)]