81139808

素因数分解:

$2^5\times {\mathrm{601}}^1\times {\mathrm{4219}}^1$

素因数の和:4830

約数の個数: 24

約数和(自身を含む): 160047720

約数和(自身を除く): 78907912

約数列:

[1, 2, 4, 8, 16, 32, 601, 1202, 2404, 4219, 4808, 8438, 9616, 16876, 19232, 33752, 67504, 135008, 2535619, 5071238, 10142476, 20284952, 40569904, 81139808]

約数ペア:

[(1, 81139808), (2, 40569904), (4, 20284952), (8, 10142476), (16, 5071238), (32, 2535619), (601, 135008), (1202, 67504), (2404, 33752), (4219, 19232), (4808, 16876), (8438, 9616)]