66377480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127649}}^1$

素因数の和:127673

約数の個数: 32

約数和(自身を含む): 160839000

約数和(自身を除く): 94461520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 127649, 255298, 510596, 638245, 1021192, 1276490, 1659437, 2552980, 3318874, 5105960, 6637748, 8297185, 13275496, 16594370, 33188740, 66377480]

約数ペア:

[(1, 66377480), (2, 33188740), (4, 16594370), (5, 13275496), (8, 8297185), (10, 6637748), (13, 5105960), (20, 3318874), (26, 2552980), (40, 1659437), (52, 1276490), (65, 1021192), (104, 638245), (130, 510596), (260, 255298), (520, 127649)]