80001664

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{8803}}^1$

素因数の和:8888

約数の個数: 32

約数和(自身を含む): 161641440

約数和(自身を除く): 81639776

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 4544, 8803, 9088, 17606, 35212, 70424, 140848, 281696, 563392, 625013, 1126784, 1250026, 2500052, 5000104, 10000208, 20000416, 40000832, 80001664]

約数ペア:

[(1, 80001664), (2, 40000832), (4, 20000416), (8, 10000208), (16, 5000104), (32, 2500052), (64, 1250026), (71, 1126784), (128, 625013), (142, 563392), (284, 281696), (568, 140848), (1136, 70424), (2272, 35212), (4544, 17606), (8803, 9088)]