80451321904

素因数分解:

$2^4\times {\mathrm{21499}}^1\times {\mathrm{233881}}^1$

素因数の和:255388

約数の個数: 20

約数和(自身を含む): 155882353000

約数和(自身を除く): 75431031096

約数列:

[1, 2, 4, 8, 16, 21499, 42998, 85996, 171992, 233881, 343984, 467762, 935524, 1871048, 3742096, 5028207619, 10056415238, 20112830476, 40225660952, 80451321904]

約数ペア:

[(1, 80451321904), (2, 40225660952), (4, 20112830476), (8, 10056415238), (16, 5028207619), (21499, 3742096), (42998, 1871048), (85996, 935524), (171992, 467762), (233881, 343984)]