89610160

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2011}}^1$

素因数の和:2581

約数の個数: 40

約数和(自身を含む): 208821456

約数和(自身を除く): 119211296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2011, 2228, 2785, 4022, 4456, 5570, 8044, 8912, 10055, 11140, 16088, 20110, 22280, 32176, 40220, 44560, 80440, 160880, 1120127, 2240254, 4480508, 5600635, 8961016, 11201270, 17922032, 22402540, 44805080, 89610160]

約数ペア:

[(1, 89610160), (2, 44805080), (4, 22402540), (5, 17922032), (8, 11201270), (10, 8961016), (16, 5600635), (20, 4480508), (40, 2240254), (80, 1120127), (557, 160880), (1114, 80440), (2011, 44560), (2228, 40220), (2785, 32176), (4022, 22280), (4456, 20110), (5570, 16088), (8044, 11140), (8912, 10055)]