61973780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25609}}^1$

素因数の和:25640

約数の個数: 36

約数和(自身を含む): 143057460

約数和(自身を除く): 81083680

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 25609, 51218, 102436, 128045, 256090, 281699, 512180, 563398, 1126796, 1408495, 2816990, 3098689, 5633980, 6197378, 12394756, 15493445, 30986890, 61973780]

約数ペア:

[(1, 61973780), (2, 30986890), (4, 15493445), (5, 12394756), (10, 6197378), (11, 5633980), (20, 3098689), (22, 2816990), (44, 1408495), (55, 1126796), (110, 563398), (121, 512180), (220, 281699), (242, 256090), (484, 128045), (605, 102436), (1210, 51218), (2420, 25609)]