80897552

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{31019}}^1$

素因数の和:31190

約数の個数: 20

約数和(自身を含む): 157705680

約数和(自身を除く): 76808128

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 31019, 62038, 124076, 248152, 496304, 5056097, 10112194, 20224388, 40448776, 80897552]

約数ペア:

[(1, 80897552), (2, 40448776), (4, 20224388), (8, 10112194), (16, 5056097), (163, 496304), (326, 248152), (652, 124076), (1304, 62038), (2608, 31019)]