11720500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 27937728

約数和(自身を除く): 16217228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2131, 2750, 4262, 5500, 8524, 10655, 21310, 23441, 42620, 46882, 53275, 93764, 106550, 117205, 213100, 234410, 266375, 468820, 532750, 586025, 1065500, 1172050, 2344100, 2930125, 5860250, 11720500]

約数ペア:

[(1, 11720500), (2, 5860250), (4, 2930125), (5, 2344100), (10, 1172050), (11, 1065500), (20, 586025), (22, 532750), (25, 468820), (44, 266375), (50, 234410), (55, 213100), (100, 117205), (110, 106550), (125, 93764), (220, 53275), (250, 46882), (275, 42620), (500, 23441), (550, 21310), (1100, 10655), (1375, 8524), (2131, 5500), (2750, 4262)]