53449720

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2399}}^1$

素因数の和:2967

約数の個数: 32

約数和(自身を含む): 120528000

約数和(自身を除く): 67078280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2399, 2785, 4456, 4798, 5570, 9596, 11140, 11995, 19192, 22280, 23990, 47980, 95960, 1336243, 2672486, 5344972, 6681215, 10689944, 13362430, 26724860, 53449720]

約数ペア:

[(1, 53449720), (2, 26724860), (4, 13362430), (5, 10689944), (8, 6681215), (10, 5344972), (20, 2672486), (40, 1336243), (557, 95960), (1114, 47980), (2228, 23990), (2399, 22280), (2785, 19192), (4456, 11995), (4798, 11140), (5570, 9596)]