22091560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6991}}^1$

素因数の和:7081

約数の個数: 32

約数和(自身を含む): 50342400

約数和(自身を除く): 28250840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6991, 13982, 27964, 34955, 55928, 69910, 139820, 279640, 552289, 1104578, 2209156, 2761445, 4418312, 5522890, 11045780, 22091560]

約数ペア:

[(1, 22091560), (2, 11045780), (4, 5522890), (5, 4418312), (8, 2761445), (10, 2209156), (20, 1104578), (40, 552289), (79, 279640), (158, 139820), (316, 69910), (395, 55928), (632, 34955), (790, 27964), (1580, 13982), (3160, 6991)]