16042180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{947}}^1$

素因数の和:985

約数の個数: 72

約数和(自身を含む): 42364224

約数和(自身を除く): 26322044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 947, 1210, 1540, 1694, 1894, 2420, 3388, 3788, 4235, 4735, 6629, 8470, 9470, 10417, 13258, 16940, 18940, 20834, 26516, 33145, 41668, 52085, 66290, 72919, 104170, 114587, 132580, 145838, 208340, 229174, 291676, 364595, 458348, 572935, 729190, 802109, 1145870, 1458380, 1604218, 2291740, 3208436, 4010545, 8021090, 16042180]

約数ペア:

[(1, 16042180), (2, 8021090), (4, 4010545), (5, 3208436), (7, 2291740), (10, 1604218), (11, 1458380), (14, 1145870), (20, 802109), (22, 729190), (28, 572935), (35, 458348), (44, 364595), (55, 291676), (70, 229174), (77, 208340), (110, 145838), (121, 132580), (140, 114587), (154, 104170), (220, 72919), (242, 66290), (308, 52085), (385, 41668), (484, 33145), (605, 26516), (770, 20834), (847, 18940), (947, 16940), (1210, 13258), (1540, 10417), (1694, 9470), (1894, 8470), (2420, 6629), (3388, 4735), (3788, 4235)]