80225644

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{646981}}^1$

素因数の和:647016

約数の個数: 12

約数和(自身を含む): 144923968

約数和(自身を除く): 64698324

約数列:

[1, 2, 4, 31, 62, 124, 646981, 1293962, 2587924, 20056411, 40112822, 80225644]

約数ペア:

[(1, 80225644), (2, 40112822), (4, 20056411), (31, 2587924), (62, 1293962), (124, 646981)]