220751560

素因数分解:

$2^3\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{5261}}^1$

素因数の和:6321

約数の個数: 32

約数和(自身を含む): 497259000

約数和(自身を除く): 276507440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1049, 2098, 4196, 5245, 5261, 8392, 10490, 10522, 20980, 21044, 26305, 41960, 42088, 52610, 105220, 210440, 5518789, 11037578, 22075156, 27593945, 44150312, 55187890, 110375780, 220751560]

約数ペア:

[(1, 220751560), (2, 110375780), (4, 55187890), (5, 44150312), (8, 27593945), (10, 22075156), (20, 11037578), (40, 5518789), (1049, 210440), (2098, 105220), (4196, 52610), (5245, 42088), (5261, 41960), (8392, 26305), (10490, 21044), (10522, 20980)]