80847964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{4451}}^1$

素因数の和:4713

約数の個数: 24

約数和(自身を含む): 149587200

約数和(自身を除く): 68739236

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 4451, 4541, 8902, 9082, 17804, 18164, 84569, 169138, 338276, 1063789, 2127578, 4255156, 20211991, 40423982, 80847964]

約数ペア:

[(1, 80847964), (2, 40423982), (4, 20211991), (19, 4255156), (38, 2127578), (76, 1063789), (239, 338276), (478, 169138), (956, 84569), (4451, 18164), (4541, 17804), (8902, 9082)]