65205280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8317}}^1$

素因数の和:8346

約数の個数: 72

約数和(自身を含む): 179219628

約数和(自身を除く): 114014348

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8317, 16634, 33268, 41585, 58219, 66536, 83170, 116438, 133072, 166340, 232876, 266144, 291095, 332680, 407533, 465752, 582190, 665360, 815066, 931504, 1164380, 1330720, 1630132, 1863008, 2037665, 2328760, 3260264, 4075330, 4657520, 6520528, 8150660, 9315040, 13041056, 16301320, 32602640, 65205280]

約数ペア:

[(1, 65205280), (2, 32602640), (4, 16301320), (5, 13041056), (7, 9315040), (8, 8150660), (10, 6520528), (14, 4657520), (16, 4075330), (20, 3260264), (28, 2328760), (32, 2037665), (35, 1863008), (40, 1630132), (49, 1330720), (56, 1164380), (70, 931504), (80, 815066), (98, 665360), (112, 582190), (140, 465752), (160, 407533), (196, 332680), (224, 291095), (245, 266144), (280, 232876), (392, 166340), (490, 133072), (560, 116438), (784, 83170), (980, 66536), (1120, 58219), (1568, 41585), (1960, 33268), (3920, 16634), (7840, 8317)]