22120720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4127}}^1$

素因数の和:4207

約数の個数: 40

約数和(自身を含む): 52210944

約数和(自身を除く): 30090224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4127, 5360, 8254, 16508, 20635, 33016, 41270, 66032, 82540, 165080, 276509, 330160, 553018, 1106036, 1382545, 2212072, 2765090, 4424144, 5530180, 11060360, 22120720]

約数ペア:

[(1, 22120720), (2, 11060360), (4, 5530180), (5, 4424144), (8, 2765090), (10, 2212072), (16, 1382545), (20, 1106036), (40, 553018), (67, 330160), (80, 276509), (134, 165080), (268, 82540), (335, 66032), (536, 41270), (670, 33016), (1072, 20635), (1340, 16508), (2680, 8254), (4127, 5360)]