51276880

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2281}}^1$

素因数の和:2575

約数の個数: 40

約数和(自身を含む): 119695464

約数和(自身を除く): 68418584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2281, 2810, 4496, 4562, 5620, 9124, 11240, 11405, 18248, 22480, 22810, 36496, 45620, 91240, 182480, 640961, 1281922, 2563844, 3204805, 5127688, 6409610, 10255376, 12819220, 25638440, 51276880]

約数ペア:

[(1, 51276880), (2, 25638440), (4, 12819220), (5, 10255376), (8, 6409610), (10, 5127688), (16, 3204805), (20, 2563844), (40, 1281922), (80, 640961), (281, 182480), (562, 91240), (1124, 45620), (1405, 36496), (2248, 22810), (2281, 22480), (2810, 18248), (4496, 11405), (4562, 11240), (5620, 9124)]