54688520

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6131}}^1$

素因数の和:6365

約数の個数: 32

約数和(自身を含む): 123621120

約数和(自身を除く): 68932600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6131, 8920, 12262, 24524, 30655, 49048, 61310, 122620, 245240, 1367213, 2734426, 5468852, 6836065, 10937704, 13672130, 27344260, 54688520]

約数ペア:

[(1, 54688520), (2, 27344260), (4, 13672130), (5, 10937704), (8, 6836065), (10, 5468852), (20, 2734426), (40, 1367213), (223, 245240), (446, 122620), (892, 61310), (1115, 49048), (1784, 30655), (2230, 24524), (4460, 12262), (6131, 8920)]