11940280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2467}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 29541960

約数和(自身を除く): 17601680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2467, 4840, 4934, 9868, 12335, 19736, 24670, 27137, 49340, 54274, 98680, 108548, 135685, 217096, 271370, 298507, 542740, 597014, 1085480, 1194028, 1492535, 2388056, 2985070, 5970140, 11940280]

約数ペア:

[(1, 11940280), (2, 5970140), (4, 2985070), (5, 2388056), (8, 1492535), (10, 1194028), (11, 1085480), (20, 597014), (22, 542740), (40, 298507), (44, 271370), (55, 217096), (88, 135685), (110, 108548), (121, 98680), (220, 54274), (242, 49340), (440, 27137), (484, 24670), (605, 19736), (968, 12335), (1210, 9868), (2420, 4934), (2467, 4840)]