64020440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145501}}^1$

素因数の和:145523

約数の個数: 32

約数和(自身を含む): 157142160

約数和(自身を除く): 93121720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 145501, 291002, 582004, 727505, 1164008, 1455010, 1600511, 2910020, 3201022, 5820040, 6402044, 8002555, 12804088, 16005110, 32010220, 64020440]

約数ペア:

[(1, 64020440), (2, 32010220), (4, 16005110), (5, 12804088), (8, 8002555), (10, 6402044), (11, 5820040), (20, 3201022), (22, 2910020), (40, 1600511), (44, 1455010), (55, 1164008), (88, 727505), (110, 582004), (220, 291002), (440, 145501)]